221472303

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 341873280

約数和(自身を除く): 120400977

約数列:

[1, 3, 13, 19, 39, 57, 83, 169, 247, 249, 277, 507, 741, 831, 1079, 1577, 3211, 3237, 3601, 4731, 5263, 9633, 10803, 14027, 15789, 20501, 22991, 42081, 46813, 61503, 68419, 68973, 140439, 205257, 266513, 298883, 436829, 799539, 889447, 896649, 1310487, 2668341, 3885479, 5678777, 11656437, 17036331, 73824101, 221472303]

約数ペア:

[(1, 221472303), (3, 73824101), (13, 17036331), (19, 11656437), (39, 5678777), (57, 3885479), (83, 2668341), (169, 1310487), (247, 896649), (249, 889447), (277, 799539), (507, 436829), (741, 298883), (831, 266513), (1079, 205257), (1577, 140439), (3211, 68973), (3237, 68419), (3601, 61503), (4731, 46813), (5263, 42081), (9633, 22991), (10803, 20501), (14027, 15789)]