13219767

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:461

約数の個数: 40

約数和(自身を含む): 22180752

約数和(自身を除く): 8960985

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 297, 333, 401, 407, 891, 999, 1203, 1221, 2997, 3609, 3663, 4411, 10827, 10989, 13233, 14837, 32481, 32967, 39699, 44511, 119097, 133533, 163207, 357291, 400599, 489621, 1201797, 1468863, 4406589, 13219767]

約数ペア:

[(1, 13219767), (3, 4406589), (9, 1468863), (11, 1201797), (27, 489621), (33, 400599), (37, 357291), (81, 163207), (99, 133533), (111, 119097), (297, 44511), (333, 39699), (401, 32967), (407, 32481), (891, 14837), (999, 13233), (1203, 10989), (1221, 10827), (2997, 4411), (3609, 3663)]