28408653

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{34687}}^1$

素因数の和:34713

約数の個数: 24

約数和(自身を含む): 50505728

約数和(自身を除く): 22097075

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 34687, 104061, 242809, 312183, 450931, 728427, 1352793, 2185281, 3156517, 4058379, 9469551, 28408653]

約数ペア:

[(1, 28408653), (3, 9469551), (7, 4058379), (9, 3156517), (13, 2185281), (21, 1352793), (39, 728427), (63, 450931), (91, 312183), (117, 242809), (273, 104061), (819, 34687)]