81076875

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{3931}}^1$

素因数の和:3965

約数の個数: 40

約数和(自身を含む): 147402816

約数和(自身を除く): 66325941

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 625, 825, 1375, 1875, 3931, 4125, 6875, 11793, 19655, 20625, 43241, 58965, 98275, 129723, 216205, 294825, 491375, 648615, 1081025, 1474125, 2456875, 3243075, 5405125, 7370625, 16215375, 27025625, 81076875]

約数ペア:

[(1, 81076875), (3, 27025625), (5, 16215375), (11, 7370625), (15, 5405125), (25, 3243075), (33, 2456875), (55, 1474125), (75, 1081025), (125, 648615), (165, 491375), (275, 294825), (375, 216205), (625, 129723), (825, 98275), (1375, 58965), (1875, 43241), (3931, 20625), (4125, 19655), (6875, 11793)]