81308493

素因数分解:

$3^2\times 7^3\times {\mathrm{26339}}^1$

素因数の和:26366

約数の個数: 24

約数和(自身を含む): 136968000

約数和(自身を除く): 55659507

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 26339, 79017, 184373, 237051, 553119, 1290611, 1659357, 3871833, 9034277, 11615499, 27102831, 81308493]

約数ペア:

[(1, 81308493), (3, 27102831), (7, 11615499), (9, 9034277), (21, 3871833), (49, 1659357), (63, 1290611), (147, 553119), (343, 237051), (441, 184373), (1029, 79017), (3087, 26339)]