99720291

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{81671}}^1$

素因数の和:81722

約数の個数: 16

約数和(自身を含む): 148969728

約数和(自身を除く): 49249437

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 81671, 245013, 898381, 2695143, 3021827, 9065481, 33240097, 99720291]

約数ペア:

[(1, 99720291), (3, 33240097), (11, 9065481), (33, 3021827), (37, 2695143), (111, 898381), (407, 245013), (1221, 81671)]