39348729

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 67511808

約数和(自身を除く): 28163079

約数列:

[1, 3, 7, 9, 21, 47, 63, 97, 137, 141, 291, 329, 411, 423, 679, 873, 959, 987, 1233, 2037, 2877, 2961, 4559, 6111, 6439, 8631, 13289, 13677, 19317, 31913, 39867, 41031, 45073, 57951, 93023, 95739, 119601, 135219, 279069, 287217, 405657, 624583, 837207, 1873749, 4372081, 5621247, 13116243, 39348729]

約数ペア:

[(1, 39348729), (3, 13116243), (7, 5621247), (9, 4372081), (21, 1873749), (47, 837207), (63, 624583), (97, 405657), (137, 287217), (141, 279069), (291, 135219), (329, 119601), (411, 95739), (423, 93023), (679, 57951), (873, 45073), (959, 41031), (987, 39867), (1233, 31913), (2037, 19317), (2877, 13677), (2961, 13289), (4559, 8631), (6111, 6439)]