157457905

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{233}}^1\times {\mathrm{1117}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 208766376

約数和(自身を除く): 51308471

約数列:

[1, 5, 11, 55, 121, 233, 605, 1117, 1165, 2563, 5585, 12287, 12815, 28193, 61435, 135157, 140965, 260261, 675785, 1301305, 2862871, 14314355, 31491581, 157457905]

約数ペア:

[(1, 157457905), (5, 31491581), (11, 14314355), (55, 2862871), (121, 1301305), (233, 675785), (605, 260261), (1117, 140965), (1165, 135157), (2563, 61435), (5585, 28193), (12287, 12815)]