31008411

素因数分解:

$3^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1487}}^1$

素因数の和:1831

約数の個数: 24

約数和(自身を含む): 51377664

約数和(自身を除く): 20369253

約数列:

[1, 3, 7, 9, 21, 63, 331, 993, 1487, 2317, 2979, 4461, 6951, 10409, 13383, 20853, 31227, 93681, 492197, 1476591, 3445379, 4429773, 10336137, 31008411]

約数ペア:

[(1, 31008411), (3, 10336137), (7, 4429773), (9, 3445379), (21, 1476591), (63, 492197), (331, 93681), (993, 31227), (1487, 20853), (2317, 13383), (2979, 10409), (4461, 6951)]