13115975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 17112000

約数和(自身を除く): 3996025

約数列:

[1, 5, 25, 29, 79, 145, 229, 395, 725, 1145, 1975, 2291, 5725, 6641, 11455, 18091, 33205, 57275, 90455, 166025, 452275, 524639, 2623195, 13115975]

約数ペア:

[(1, 13115975), (5, 2623195), (25, 524639), (29, 452275), (79, 166025), (145, 90455), (229, 57275), (395, 33205), (725, 18091), (1145, 11455), (1975, 6641), (2291, 5725)]