206119425

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{63913}}^1$

素因数の和:63969

約数の個数: 24

約数和(自身を含む): 348714784

約数和(自身を除く): 142595359

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 63913, 191739, 319565, 958695, 1597825, 2748259, 4793475, 8244777, 13741295, 41223885, 68706475, 206119425]

約数ペア:

[(1, 206119425), (3, 68706475), (5, 41223885), (15, 13741295), (25, 8244777), (43, 4793475), (75, 2748259), (129, 1597825), (215, 958695), (645, 319565), (1075, 191739), (3225, 63913)]