157788321

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{2243}}^1$

素因数の和:2556

約数の個数: 16

約数和(自身を含む): 213269760

約数和(自身を除く): 55481439

約数列:

[1, 3, 131, 179, 393, 537, 2243, 6729, 23449, 70347, 293833, 401497, 881499, 1204491, 52596107, 157788321]

約数ペア:

[(1, 157788321), (3, 52596107), (131, 1204491), (179, 881499), (393, 401497), (537, 293833), (2243, 70347), (6729, 23449)]