81223884

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{607}}^1$

素因数の和:689

約数の個数: 120

約数和(自身を含む): 247188480

約数和(自身を除く): 165964596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 59, 63, 81, 84, 108, 118, 126, 162, 177, 189, 236, 252, 324, 354, 378, 413, 531, 567, 607, 708, 756, 826, 1062, 1134, 1214, 1239, 1593, 1652, 1821, 2124, 2268, 2428, 2478, 3186, 3642, 3717, 4249, 4779, 4956, 5463, 6372, 7284, 7434, 8498, 9558, 10926, 11151, 12747, 14868, 16389, 16996, 19116, 21852, 22302, 25494, 32778, 33453, 35813, 38241, 44604, 49167, 50988, 65556, 66906, 71626, 76482, 98334, 107439, 114723, 133812, 143252, 152964, 196668, 214878, 229446, 250691, 322317, 344169, 429756, 458892, 501382, 644634, 688338, 752073, 966951, 1002764, 1289268, 1376676, 1504146, 1933902, 2256219, 2900853, 3008292, 3867804, 4512438, 5801706, 6768657, 9024876, 11603412, 13537314, 20305971, 27074628, 40611942, 81223884]

約数ペア:

[(1, 81223884), (2, 40611942), (3, 27074628), (4, 20305971), (6, 13537314), (7, 11603412), (9, 9024876), (12, 6768657), (14, 5801706), (18, 4512438), (21, 3867804), (27, 3008292), (28, 2900853), (36, 2256219), (42, 1933902), (54, 1504146), (59, 1376676), (63, 1289268), (81, 1002764), (84, 966951), (108, 752073), (118, 688338), (126, 644634), (162, 501382), (177, 458892), (189, 429756), (236, 344169), (252, 322317), (324, 250691), (354, 229446), (378, 214878), (413, 196668), (531, 152964), (567, 143252), (607, 133812), (708, 114723), (756, 107439), (826, 98334), (1062, 76482), (1134, 71626), (1214, 66906), (1239, 65556), (1593, 50988), (1652, 49167), (1821, 44604), (2124, 38241), (2268, 35813), (2428, 33453), (2478, 32778), (3186, 25494), (3642, 22302), (3717, 21852), (4249, 19116), (4779, 16996), (4956, 16389), (5463, 14868), (6372, 12747), (7284, 11151), (7434, 10926), (8498, 9558)]