153906005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 208365696

約数和(自身を除く): 54459691

約数列:

[1, 5, 11, 41, 55, 131, 205, 451, 521, 655, 1441, 2255, 2605, 5371, 5731, 7205, 21361, 26855, 28655, 59081, 68251, 106805, 234971, 295405, 341255, 750761, 1174855, 2798291, 3753805, 13991455, 30781201, 153906005]

約数ペア:

[(1, 153906005), (5, 30781201), (11, 13991455), (41, 3753805), (55, 2798291), (131, 1174855), (205, 750761), (451, 341255), (521, 295405), (655, 234971), (1441, 106805), (2255, 68251), (2605, 59081), (5371, 28655), (5731, 26855), (7205, 21361)]