131253318

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:559

約数の個数: 128

約数和(自身を含む): 359792640

約数和(自身を除く): 228539322

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 31, 42, 46, 54, 62, 63, 69, 93, 126, 138, 161, 186, 189, 207, 217, 279, 322, 378, 414, 434, 483, 487, 558, 621, 651, 713, 837, 966, 974, 1242, 1302, 1426, 1449, 1461, 1674, 1953, 2139, 2898, 2922, 3409, 3906, 4278, 4347, 4383, 4991, 5859, 6417, 6818, 8694, 8766, 9982, 10227, 11201, 11718, 12834, 13149, 14973, 15097, 19251, 20454, 22402, 26298, 29946, 30194, 30681, 33603, 38502, 44919, 45291, 61362, 67206, 78407, 89838, 90582, 92043, 100809, 105679, 134757, 135873, 156814, 184086, 201618, 211358, 235221, 269514, 271746, 302427, 317037, 347231, 407619, 470442, 604854, 634074, 694462, 705663, 815238, 951111, 1041693, 1411326, 1902222, 2083386, 2116989, 2430617, 2853333, 3125079, 4233978, 4861234, 5706666, 6250158, 7291851, 9375237, 14583702, 18750474, 21875553, 43751106, 65626659, 131253318]

約数ペア:

[(1, 131253318), (2, 65626659), (3, 43751106), (6, 21875553), (7, 18750474), (9, 14583702), (14, 9375237), (18, 7291851), (21, 6250158), (23, 5706666), (27, 4861234), (31, 4233978), (42, 3125079), (46, 2853333), (54, 2430617), (62, 2116989), (63, 2083386), (69, 1902222), (93, 1411326), (126, 1041693), (138, 951111), (161, 815238), (186, 705663), (189, 694462), (207, 634074), (217, 604854), (279, 470442), (322, 407619), (378, 347231), (414, 317037), (434, 302427), (483, 271746), (487, 269514), (558, 235221), (621, 211358), (651, 201618), (713, 184086), (837, 156814), (966, 135873), (974, 134757), (1242, 105679), (1302, 100809), (1426, 92043), (1449, 90582), (1461, 89838), (1674, 78407), (1953, 67206), (2139, 61362), (2898, 45291), (2922, 44919), (3409, 38502), (3906, 33603), (4278, 30681), (4347, 30194), (4383, 29946), (4991, 26298), (5859, 22402), (6417, 20454), (6818, 19251), (8694, 15097), (8766, 14973), (9982, 13149), (10227, 12834), (11201, 11718)]