90409293

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{1721}}^1$

素因数の和:2189

約数の個数: 24

約数和(自身を含む): 141031800

約数和(自身を除く): 50622507

約数列:

[1, 3, 9, 13, 39, 117, 449, 1347, 1721, 4041, 5163, 5837, 15489, 17511, 22373, 52533, 67119, 201357, 772729, 2318187, 6954561, 10045477, 30136431, 90409293]

約数ペア:

[(1, 90409293), (3, 30136431), (9, 10045477), (13, 6954561), (39, 2318187), (117, 772729), (449, 201357), (1347, 67119), (1721, 52533), (4041, 22373), (5163, 17511), (5837, 15489)]