31628331

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26423}}^1$

素因数の和:26455

約数の個数: 24

約数和(自身を含む): 54961920

約数和(自身を除く): 23333589

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 26423, 79269, 184961, 237807, 502037, 554883, 1506111, 1664649, 3514259, 4518333, 10542777, 31628331]

約数ペア:

[(1, 31628331), (3, 10542777), (7, 4518333), (9, 3514259), (19, 1664649), (21, 1506111), (57, 554883), (63, 502037), (133, 237807), (171, 184961), (399, 79269), (1197, 26423)]