131009481

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{30517}}^1$

素因数の和:30582

約数の個数: 20

約数和(自身を含む): 199404612

約数和(自身を除く): 68395131

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 30517, 91551, 274653, 823959, 1617401, 2471877, 4852203, 14556609, 43669827, 131009481]

約数ペア:

[(1, 131009481), (3, 43669827), (9, 14556609), (27, 4852203), (53, 2471877), (81, 1617401), (159, 823959), (477, 274653), (1431, 91551), (4293, 30517)]