47990061

素因数分解:

$3^2\times 7^2\times {\mathrm{108821}}^1$

素因数の和:108841

約数の個数: 18

約数和(自身を含む): 80637102

約数和(自身を除く): 32647041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 108821, 326463, 761747, 979389, 2285241, 5332229, 6855723, 15996687, 47990061]

約数ペア:

[(1, 47990061), (3, 15996687), (7, 6855723), (9, 5332229), (21, 2285241), (49, 979389), (63, 761747), (147, 326463), (441, 108821)]