3921057

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 6543680

約数和(自身を除く): 2622623

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 571, 763, 981, 1713, 2289, 3997, 5139, 6867, 11991, 35973, 62239, 186717, 435673, 560151, 1307019, 3921057]

約数ペア:

[(1, 3921057), (3, 1307019), (7, 560151), (9, 435673), (21, 186717), (63, 62239), (109, 35973), (327, 11991), (571, 6867), (763, 5139), (981, 3997), (1713, 2289)]