31966857

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{21017}}^1$

素因数の和:21049

約数の個数: 18

約数和(自身を含む): 50001822

約数和(自身を除く): 18034965

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 21017, 63051, 189153, 273221, 819663, 2458989, 3551873, 10655619, 31966857]

約数ペア:

[(1, 31966857), (3, 10655619), (9, 3551873), (13, 2458989), (39, 819663), (117, 273221), (169, 189153), (507, 63051), (1521, 21017)]