242513985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{329951}}^1$

素因数の和:329973

約数の個数: 24

約数和(自身を含む): 451374336

約数和(自身を除く): 208860351

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 329951, 989853, 1649755, 2309657, 4949265, 6928971, 11548285, 16167599, 34644855, 48502797, 80837995, 242513985]

約数ペア:

[(1, 242513985), (3, 80837995), (5, 48502797), (7, 34644855), (15, 16167599), (21, 11548285), (35, 6928971), (49, 4949265), (105, 2309657), (147, 1649755), (245, 989853), (735, 329951)]