64139895

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83843}}^1$

素因数の和:83871

約数の個数: 24

約数和(自身を含む): 117716976

約数和(自身を除く): 53577081

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 83843, 251529, 419215, 754587, 1257645, 1425331, 3772935, 4275993, 7126655, 12827979, 21379965, 64139895]

約数ペア:

[(1, 64139895), (3, 21379965), (5, 12827979), (9, 7126655), (15, 4275993), (17, 3772935), (45, 1425331), (51, 1257645), (85, 754587), (153, 419215), (255, 251529), (765, 83843)]