31899933

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{6991}}^1$

素因数の和:7026

約数の個数: 24

約数和(自身を含む): 51181440

約数和(自身を除く): 19281507

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 6991, 20973, 62919, 90883, 188757, 272649, 817947, 1181479, 2453841, 3544437, 10633311, 31899933]

約数ペア:

[(1, 31899933), (3, 10633311), (9, 3544437), (13, 2453841), (27, 1181479), (39, 817947), (117, 272649), (169, 188757), (351, 90883), (507, 62919), (1521, 20973), (4563, 6991)]