3131559925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{7727}}^1$

素因数の和:7822

約数の個数: 48

約数和(自身を含む): 4427216640

約数和(自身を除く): 1295656715

約数列:

[1, 5, 13, 25, 29, 43, 65, 145, 215, 325, 377, 559, 725, 1075, 1247, 1885, 2795, 6235, 7727, 9425, 13975, 16211, 31175, 38635, 81055, 100451, 193175, 224083, 332261, 405275, 502255, 1120415, 1661305, 2511275, 2913079, 4319393, 5602075, 8306525, 9635569, 14565395, 21596965, 48177845, 72826975, 107984825, 125262397, 240889225, 626311985, 3131559925]

約数ペア:

[(1, 3131559925), (5, 626311985), (13, 240889225), (25, 125262397), (29, 107984825), (43, 72826975), (65, 48177845), (145, 21596965), (215, 14565395), (325, 9635569), (377, 8306525), (559, 5602075), (725, 4319393), (1075, 2913079), (1247, 2511275), (1885, 1661305), (2795, 1120415), (6235, 502255), (7727, 405275), (9425, 332261), (13975, 224083), (16211, 193175), (31175, 100451), (38635, 81055)]