156910836957

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{393260243}}^1$

素因数の和:393260272

約数の個数: 16

約数和(自身を含む): 251686556160

約数和(自身を除く): 94775719203

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 393260243, 1179780729, 2752821701, 7471944617, 8258465103, 22415833851, 52303612319, 156910836957]

約数ペア:

[(1, 156910836957), (3, 52303612319), (7, 22415833851), (19, 8258465103), (21, 7471944617), (57, 2752821701), (133, 1179780729), (399, 393260243)]