157840281

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{297251}}^1$

素因数の和:297316

約数の個数: 12

約数和(自身を含む): 231856560

約数和(自身を除く): 74016279

約数列:

[1, 3, 9, 59, 177, 531, 297251, 891753, 2675259, 17537809, 52613427, 157840281]

約数ペア:

[(1, 157840281), (3, 52613427), (9, 17537809), (59, 2675259), (177, 891753), (531, 297251)]