31137883

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{3947}}^1$

素因数の和:3991

約数の個数: 16

約数和(自身を含む): 37900800

約数和(自身を除く): 6762917

約数列:

[1, 7, 23, 49, 161, 343, 1127, 3947, 7889, 27629, 90781, 193403, 635467, 1353821, 4448269, 31137883]

約数ペア:

[(1, 31137883), (7, 4448269), (23, 1353821), (49, 635467), (161, 193403), (343, 90781), (1127, 27629), (3947, 7889)]