221497289

素因数分解:

${\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{1151}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 242694144

約数和(自身を除く): 21196855

約数列:

[1, 13, 113, 131, 1151, 1469, 1703, 14803, 14963, 130063, 150781, 192439, 1690819, 1960153, 17038253, 221497289]

約数ペア:

[(1, 221497289), (13, 17038253), (113, 1960153), (131, 1690819), (1151, 192439), (1469, 150781), (1703, 130063), (14803, 14963)]