819075

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 1382848

約数和(自身を除く): 563773

約数列:

[1, 3, 5, 15, 25, 67, 75, 163, 201, 335, 489, 815, 1005, 1675, 2445, 4075, 5025, 10921, 12225, 32763, 54605, 163815, 273025, 819075]

約数ペア:

[(1, 819075), (3, 273025), (5, 163815), (15, 54605), (25, 32763), (67, 12225), (75, 10921), (163, 5025), (201, 4075), (335, 2445), (489, 1675), (815, 1005)]