81505875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19759}}^1$

素因数の和:19788

約数の個数: 32

約数和(自身を含む): 147962880

約数和(自身を除く): 66457005

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 19759, 59277, 98795, 217349, 296385, 493975, 652047, 1086745, 1481925, 2469875, 3260235, 5433725, 7409625, 16301175, 27168625, 81505875]

約数ペア:

[(1, 81505875), (3, 27168625), (5, 16301175), (11, 7409625), (15, 5433725), (25, 3260235), (33, 2469875), (55, 1481925), (75, 1086745), (125, 652047), (165, 493975), (275, 296385), (375, 217349), (825, 98795), (1375, 59277), (4125, 19759)]