201312531

素因数分解:

$3^2\times 7^3\times {\mathrm{65213}}^1$

素因数の和:65240

約数の個数: 24

約数和(自身を含む): 339112800

約数和(自身を除く): 137800269

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 65213, 195639, 456491, 586917, 1369473, 3195437, 4108419, 9586311, 22368059, 28758933, 67104177, 201312531]

約数ペア:

[(1, 201312531), (3, 67104177), (7, 28758933), (9, 22368059), (21, 9586311), (49, 4108419), (63, 3195437), (147, 1369473), (343, 586917), (441, 456491), (1029, 195639), (3087, 65213)]