31118715

素因数分解:

$3^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{653}}^1$

素因数の和:1020

約数の個数: 32

約数和(自身を含む): 55563840

約数和(自身を除く): 24445125

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 353, 653, 1059, 1765, 1959, 3177, 3265, 5295, 5877, 9531, 9795, 15885, 17631, 29385, 47655, 88155, 230509, 691527, 1152545, 2074581, 3457635, 6223743, 10372905, 31118715]

約数ペア:

[(1, 31118715), (3, 10372905), (5, 6223743), (9, 3457635), (15, 2074581), (27, 1152545), (45, 691527), (135, 230509), (353, 88155), (653, 47655), (1059, 29385), (1765, 17631), (1959, 15885), (3177, 9795), (3265, 9531), (5295, 5877)]