3890061

素因数分解:

$3^2\times 7^2\times {\mathrm{8821}}^1$

素因数の和:8841

約数の個数: 18

約数和(自身を含む): 6537102

約数和(自身を除く): 2647041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 8821, 26463, 61747, 79389, 185241, 432229, 555723, 1296687, 3890061]

約数ペア:

[(1, 3890061), (3, 1296687), (7, 555723), (9, 432229), (21, 185241), (49, 79389), (63, 61747), (147, 26463), (441, 8821)]