2987725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 4140360

約数和(自身を除く): 1152635

約数列:

[1, 5, 13, 25, 29, 65, 145, 317, 325, 377, 725, 1585, 1885, 4121, 7925, 9193, 9425, 20605, 45965, 103025, 119509, 229825, 597545, 2987725]

約数ペア:

[(1, 2987725), (5, 597545), (13, 229825), (25, 119509), (29, 103025), (65, 45965), (145, 20605), (317, 9425), (325, 9193), (377, 7925), (725, 4121), (1585, 1885)]