220123257

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{13441}}^1$

素因数の和:13600

約数の個数: 16

約数和(自身を含む): 301961088

約数和(自身を除く): 81837831

約数列:

[1, 3, 53, 103, 159, 309, 5459, 13441, 16377, 40323, 712373, 1384423, 2137119, 4153269, 73374419, 220123257]

約数ペア:

[(1, 220123257), (3, 73374419), (53, 4153269), (103, 2137119), (159, 1384423), (309, 712373), (5459, 40323), (13441, 16377)]