81219348

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 168

約数和(自身を含む): 255604608

約数和(自身を除く): 174385260

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 27, 28, 36, 42, 46, 54, 63, 69, 81, 84, 92, 108, 126, 138, 161, 162, 173, 189, 207, 243, 252, 276, 322, 324, 346, 378, 414, 483, 486, 519, 567, 621, 644, 692, 729, 756, 828, 966, 972, 1038, 1134, 1211, 1242, 1449, 1458, 1557, 1701, 1863, 1932, 2076, 2268, 2422, 2484, 2898, 2916, 3114, 3402, 3633, 3726, 3979, 4347, 4671, 4844, 5103, 5589, 5796, 6228, 6804, 7266, 7452, 7958, 8694, 9342, 10206, 10899, 11178, 11937, 13041, 14013, 14532, 15916, 16767, 17388, 18684, 20412, 21798, 22356, 23874, 26082, 27853, 28026, 32697, 33534, 35811, 39123, 42039, 43596, 47748, 52164, 55706, 56052, 65394, 67068, 71622, 78246, 83559, 84078, 98091, 107433, 111412, 117369, 126117, 130788, 143244, 156492, 167118, 168156, 196182, 214866, 234738, 250677, 252234, 294273, 322299, 334236, 392364, 429732, 469476, 501354, 504468, 588546, 644598, 752031, 882819, 966897, 1002708, 1177092, 1289196, 1504062, 1765638, 1933794, 2256093, 2900691, 3008124, 3531276, 3867588, 4512186, 5801382, 6768279, 9024372, 11602764, 13536558, 20304837, 27073116, 40609674, 81219348]

約数ペア:

[(1, 81219348), (2, 40609674), (3, 27073116), (4, 20304837), (6, 13536558), (7, 11602764), (9, 9024372), (12, 6768279), (14, 5801382), (18, 4512186), (21, 3867588), (23, 3531276), (27, 3008124), (28, 2900691), (36, 2256093), (42, 1933794), (46, 1765638), (54, 1504062), (63, 1289196), (69, 1177092), (81, 1002708), (84, 966897), (92, 882819), (108, 752031), (126, 644598), (138, 588546), (161, 504468), (162, 501354), (173, 469476), (189, 429732), (207, 392364), (243, 334236), (252, 322299), (276, 294273), (322, 252234), (324, 250677), (346, 234738), (378, 214866), (414, 196182), (483, 168156), (486, 167118), (519, 156492), (567, 143244), (621, 130788), (644, 126117), (692, 117369), (729, 111412), (756, 107433), (828, 98091), (966, 84078), (972, 83559), (1038, 78246), (1134, 71622), (1211, 67068), (1242, 65394), (1449, 56052), (1458, 55706), (1557, 52164), (1701, 47748), (1863, 43596), (1932, 42039), (2076, 39123), (2268, 35811), (2422, 33534), (2484, 32697), (2898, 28026), (2916, 27853), (3114, 26082), (3402, 23874), (3633, 22356), (3726, 21798), (3979, 20412), (4347, 18684), (4671, 17388), (4844, 16767), (5103, 15916), (5589, 14532), (5796, 14013), (6228, 13041), (6804, 11937), (7266, 11178), (7452, 10899), (7958, 10206), (8694, 9342)]