15397655

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 23299584

約数和(自身を除く): 7901929

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 787, 1505, 2795, 3913, 3935, 5509, 10231, 19565, 27545, 33841, 51155, 71617, 169205, 236887, 358085, 439933, 1184435, 2199665, 3079531, 15397655]

約数ペア:

[(1, 15397655), (5, 3079531), (7, 2199665), (13, 1184435), (35, 439933), (43, 358085), (65, 236887), (91, 169205), (215, 71617), (301, 51155), (455, 33841), (559, 27545), (787, 19565), (1505, 10231), (2795, 5509), (3913, 3935)]