47231991

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{1499}}^1$

素因数の和:1900

約数の個数: 20

約数和(自身を含む): 70785000

約数和(自身を除く): 23553009

約数列:

[1, 3, 9, 27, 81, 389, 1167, 1499, 3501, 4497, 10503, 13491, 31509, 40473, 121419, 583111, 1749333, 5247999, 15743997, 47231991]

約数ペア:

[(1, 47231991), (3, 15743997), (9, 5247999), (27, 1749333), (81, 583111), (389, 121419), (1167, 40473), (1499, 31509), (3501, 13491), (4497, 10503)]