7273025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 9698040

約数和(自身を除く): 2425015

約数列:

[1, 5, 17, 25, 85, 109, 157, 425, 545, 785, 1853, 2669, 2725, 3925, 9265, 13345, 17113, 46325, 66725, 85565, 290921, 427825, 1454605, 7273025]

約数ペア:

[(1, 7273025), (5, 1454605), (17, 427825), (25, 290921), (85, 85565), (109, 66725), (157, 46325), (425, 17113), (545, 13345), (785, 9265), (1853, 3925), (2669, 2725)]