8421765

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1187}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 15054336

約数和(自身を除く): 6632571

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1187, 1419, 2365, 3561, 5935, 7095, 13057, 17805, 39171, 51041, 65285, 153123, 195855, 255205, 561451, 765615, 1684353, 2807255, 8421765]

約数ペア:

[(1, 8421765), (3, 2807255), (5, 1684353), (11, 765615), (15, 561451), (33, 255205), (43, 195855), (55, 153123), (129, 65285), (165, 51041), (215, 39171), (473, 17805), (645, 13057), (1187, 7095), (1419, 5935), (2365, 3561)]