71392995

素因数分解:

$3^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{431}}^1$

素因数の和:857

約数の個数: 40

約数和(自身を含む): 128589120

約数和(自身を除く): 57196125

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 409, 431, 1227, 1293, 2045, 2155, 3681, 3879, 6135, 6465, 11043, 11637, 18405, 19395, 33129, 34911, 55215, 58185, 165645, 174555, 176279, 528837, 881395, 1586511, 2644185, 4759533, 7932555, 14278599, 23797665, 71392995]

約数ペア:

[(1, 71392995), (3, 23797665), (5, 14278599), (9, 7932555), (15, 4759533), (27, 2644185), (45, 1586511), (81, 881395), (135, 528837), (405, 176279), (409, 174555), (431, 165645), (1227, 58185), (1293, 55215), (2045, 34911), (2155, 33129), (3681, 19395), (3879, 18405), (6135, 11637), (6465, 11043)]