57161209

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{509}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 66781440

約数和(自身を除く): 9620231

約数列:

[1, 7, 61, 263, 427, 509, 1841, 3563, 16043, 31049, 112301, 133867, 217343, 937069, 8165887, 57161209]

約数ペア:

[(1, 57161209), (7, 8165887), (61, 937069), (263, 217343), (427, 133867), (509, 112301), (1841, 31049), (3563, 16043)]