31811049

素因数分解:

$3^4\times {\mathrm{607}}^1\times {\mathrm{647}}^1$

素因数の和:1266

約数の個数: 20

約数和(自身を含む): 47672064

約数和(自身を除く): 15861015

約数列:

[1, 3, 9, 27, 81, 607, 647, 1821, 1941, 5463, 5823, 16389, 17469, 49167, 52407, 392729, 1178187, 3534561, 10603683, 31811049]

約数ペア:

[(1, 31811049), (3, 10603683), (9, 3534561), (27, 1178187), (81, 392729), (607, 52407), (647, 49167), (1821, 17469), (1941, 16389), (5463, 5823)]