2520765

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 4892160

約数和(自身を除く): 2371395

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 139, 155, 195, 279, 403, 417, 465, 585, 695, 1209, 1251, 1395, 1807, 2015, 2085, 3627, 4309, 5421, 6045, 6255, 9035, 12927, 16263, 18135, 21545, 27105, 38781, 56017, 64635, 81315, 168051, 193905, 280085, 504153, 840255, 2520765]

約数ペア:

[(1, 2520765), (3, 840255), (5, 504153), (9, 280085), (13, 193905), (15, 168051), (31, 81315), (39, 64635), (45, 56017), (65, 38781), (93, 27105), (117, 21545), (139, 18135), (155, 16263), (195, 12927), (279, 9035), (403, 6255), (417, 6045), (465, 5421), (585, 4309), (695, 3627), (1209, 2085), (1251, 2015), (1395, 1807)]