1278362007

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3137}}^1$

素因数の和:3211

約数の個数: 56

約数和(自身を含む): 2112777744

約数和(自身を除く): 834415737

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 117, 129, 243, 351, 387, 559, 729, 1053, 1161, 1677, 3137, 3159, 3483, 5031, 9411, 9477, 10449, 15093, 28233, 31347, 40781, 45279, 84699, 122343, 134891, 135837, 254097, 367029, 404673, 407511, 762291, 1101087, 1214019, 1753583, 2286873, 3303261, 3642057, 5260749, 9909783, 10926171, 15782247, 29729349, 32778513, 47346741, 98335539, 142040223, 426120669, 1278362007]

約数ペア:

[(1, 1278362007), (3, 426120669), (9, 142040223), (13, 98335539), (27, 47346741), (39, 32778513), (43, 29729349), (81, 15782247), (117, 10926171), (129, 9909783), (243, 5260749), (351, 3642057), (387, 3303261), (559, 2286873), (729, 1753583), (1053, 1214019), (1161, 1101087), (1677, 762291), (3137, 407511), (3159, 404673), (3483, 367029), (5031, 254097), (9411, 135837), (9477, 134891), (10449, 122343), (15093, 84699), (28233, 45279), (31347, 40781)]