215520171

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{757}}^1\times {\mathrm{2207}}^1$

素因数の和:3010

約数の個数: 16

約数和(自身を含む): 294564864

約数和(自身を除く): 79044693

約数列:

[1, 3, 43, 129, 757, 2207, 2271, 6621, 32551, 94901, 97653, 284703, 1670699, 5012097, 71840057, 215520171]

約数ペア:

[(1, 215520171), (3, 71840057), (43, 5012097), (129, 1670699), (757, 284703), (2207, 97653), (2271, 94901), (6621, 32551)]