208515879

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{162017}}^1$

素因数の和:162047

約数の個数: 24

約数和(自身を含む): 353847312

約数和(自身を除く): 145331433

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 162017, 486051, 1458153, 1782187, 2106221, 5346561, 6318663, 16039683, 18955989, 23168431, 69505293, 208515879]

約数ペア:

[(1, 208515879), (3, 69505293), (9, 23168431), (11, 18955989), (13, 16039683), (33, 6318663), (39, 5346561), (99, 2106221), (117, 1782187), (143, 1458153), (429, 486051), (1287, 162017)]