64008789

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 94711680

約数和(自身を除く): 30702891

約数列:

[1, 3, 13, 39, 53, 159, 173, 179, 519, 537, 689, 2067, 2249, 2327, 6747, 6981, 9169, 9487, 27507, 28461, 30967, 92901, 119197, 123331, 357591, 369993, 402571, 1207713, 1641251, 4923753, 21336263, 64008789]

約数ペア:

[(1, 64008789), (3, 21336263), (13, 4923753), (39, 1641251), (53, 1207713), (159, 402571), (173, 369993), (179, 357591), (519, 123331), (537, 119197), (689, 92901), (2067, 30967), (2249, 28461), (2327, 27507), (6747, 9487), (6981, 9169)]