20160189

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3299}}^1$

素因数の和:3409

約数の個数: 24

約数和(自身を含む): 33633600

約数和(自身を除く): 13473411

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 3299, 6111, 9897, 23093, 29691, 69279, 207837, 320003, 960009, 2240021, 2880027, 6720063, 20160189]

約数ペア:

[(1, 20160189), (3, 6720063), (7, 2880027), (9, 2240021), (21, 960009), (63, 320003), (97, 207837), (291, 69279), (679, 29691), (873, 23093), (2037, 9897), (3299, 6111)]