53021215

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3691}}^1$

素因数の和:3739

約数の個数: 24

約数和(自身を含む): 72968688

約数和(自身を除く): 19947473

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 2873, 3691, 14365, 18455, 47983, 62747, 239915, 313735, 623779, 815711, 3118895, 4078555, 10604243, 53021215]

約数ペア:

[(1, 53021215), (5, 10604243), (13, 4078555), (17, 3118895), (65, 815711), (85, 623779), (169, 313735), (221, 239915), (845, 62747), (1105, 47983), (2873, 18455), (3691, 14365)]