15553433

素因数分解:

$7^2\times {\mathrm{53}}^2\times {\mathrm{113}}^1$

素因数の和:233

約数の個数: 18

約数和(自身を含む): 18603774

約数和(自身を除く): 3050341

約数列:

[1, 7, 49, 53, 113, 371, 791, 2597, 2809, 5537, 5989, 19663, 41923, 137641, 293461, 317417, 2221919, 15553433]

約数ペア:

[(1, 15553433), (7, 2221919), (49, 317417), (53, 293461), (113, 137641), (371, 41923), (791, 19663), (2597, 5989), (2809, 5537)]