220559997

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{283861}}^1$

素因数の和:283908

約数の個数: 16

約数和(自身を含む): 345176192

約数和(自身を除く): 124616195

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 283861, 851583, 1987027, 5961081, 10502857, 31508571, 73519999, 220559997]

約数ペア:

[(1, 220559997), (3, 73519999), (7, 31508571), (21, 10502857), (37, 5961081), (111, 1987027), (259, 851583), (777, 283861)]