31455333

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 56492800

約数和(自身を除く): 25037467

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 193, 199, 273, 579, 597, 819, 1351, 1393, 1737, 1791, 2509, 2587, 4053, 4179, 7527, 7761, 12159, 12537, 17563, 18109, 22581, 23283, 38407, 52689, 54327, 115221, 158067, 162981, 268849, 345663, 499291, 806547, 1497873, 2419641, 3495037, 4493619, 10485111, 31455333]

約数ペア:

[(1, 31455333), (3, 10485111), (7, 4493619), (9, 3495037), (13, 2419641), (21, 1497873), (39, 806547), (63, 499291), (91, 345663), (117, 268849), (193, 162981), (199, 158067), (273, 115221), (579, 54327), (597, 52689), (819, 38407), (1351, 23283), (1393, 22581), (1737, 18109), (1791, 17563), (2509, 12537), (2587, 12159), (4053, 7761), (4179, 7527)]