520070221

素因数分解:

${\mathrm{11}}^2\times {\mathrm{137}}^2\times {\mathrm{229}}^1$

素因数の和:525

約数の個数: 18

約数和(自身を含む): 578365130

約数和(自身を除く): 58294909

約数列:

[1, 11, 121, 137, 229, 1507, 2519, 16577, 18769, 27709, 31373, 206459, 345103, 2271049, 3796133, 4298101, 47279111, 520070221]

約数ペア:

[(1, 520070221), (11, 47279111), (121, 4298101), (137, 3796133), (229, 2271049), (1507, 345103), (2519, 206459), (16577, 31373), (18769, 27709)]