31779489

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{4079}}^1$

素因数の和:4149

約数の個数: 24

約数和(自身を含む): 50232960

約数和(自身を除く): 18453471

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 4079, 7791, 12237, 28553, 85659, 199871, 216187, 599613, 648561, 1513309, 4539927, 10593163, 31779489]

約数ペア:

[(1, 31779489), (3, 10593163), (7, 4539927), (21, 1513309), (49, 648561), (53, 599613), (147, 216187), (159, 199871), (371, 85659), (1113, 28553), (2597, 12237), (4079, 7791)]