157426563

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{7817}}^1$

素因数の和:7971

約数の個数: 24

約数和(自身を含む): 245985552

約数和(自身を除く): 88558989

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 959, 2877, 6713, 7817, 20139, 23451, 54719, 164157, 383033, 1070929, 1149099, 3212787, 7496503, 22489509, 52475521, 157426563]

約数ペア:

[(1, 157426563), (3, 52475521), (7, 22489509), (21, 7496503), (49, 3212787), (137, 1149099), (147, 1070929), (411, 383033), (959, 164157), (2877, 54719), (6713, 23451), (7817, 20139)]