318265311

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{2551}}^1$

素因数の和:3031

約数の個数: 32

約数和(自身を含む): 523629568

約数和(自身を除く): 205364257

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 457, 1371, 2551, 3199, 5941, 7653, 9597, 17823, 17857, 33163, 41587, 53571, 99489, 124761, 232141, 696423, 1165807, 3497421, 8160649, 15155491, 24481947, 45466473, 106088437, 318265311]

約数ペア:

[(1, 318265311), (3, 106088437), (7, 45466473), (13, 24481947), (21, 15155491), (39, 8160649), (91, 3497421), (273, 1165807), (457, 696423), (1371, 232141), (2551, 124761), (3199, 99489), (5941, 53571), (7653, 41587), (9597, 33163), (17823, 17857)]