2575809

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 3931200

約数和(自身を除く): 1355391

約数列:

[1, 3, 9, 29, 71, 87, 139, 213, 261, 417, 639, 1251, 2059, 4031, 6177, 9869, 12093, 18531, 29607, 36279, 88821, 286201, 858603, 2575809]

約数ペア:

[(1, 2575809), (3, 858603), (9, 286201), (29, 88821), (71, 36279), (87, 29607), (139, 18531), (213, 12093), (261, 9869), (417, 6177), (639, 4031), (1251, 2059)]