30401855

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1621}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 41419392

約数和(自身を除く): 11017537

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 605, 1621, 1705, 3751, 8105, 17831, 18755, 50251, 89155, 196141, 251255, 552761, 980705, 2763805, 6080371, 30401855]

約数ペア:

[(1, 30401855), (5, 6080371), (11, 2763805), (31, 980705), (55, 552761), (121, 251255), (155, 196141), (341, 89155), (605, 50251), (1621, 18755), (1705, 17831), (3751, 8105)]