31291989

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{7159}}^1$

素因数の和:7240

約数の個数: 16

約数和(自身を含む): 43991040

約数和(自身を除く): 12699051

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 7159, 21477, 221929, 336473, 665787, 1009419, 10430663, 31291989]

約数ペア:

[(1, 31291989), (3, 10430663), (31, 1009419), (47, 665787), (93, 336473), (141, 221929), (1457, 21477), (4371, 7159)]