28505619

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{1153}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 42845712

約数和(自身を除く): 14340093

約数列:

[1, 3, 9, 41, 67, 123, 201, 369, 603, 1153, 2747, 3459, 8241, 10377, 24723, 47273, 77251, 141819, 231753, 425457, 695259, 3167291, 9501873, 28505619]

約数ペア:

[(1, 28505619), (3, 9501873), (9, 3167291), (41, 695259), (67, 425457), (123, 231753), (201, 141819), (369, 77251), (603, 47273), (1153, 24723), (2747, 10377), (3459, 8241)]