222760321

素因数分解:

$7^3\times {\mathrm{227}}^1\times {\mathrm{2861}}^1$

素因数の和:3109

約数の個数: 16

約数和(自身を含む): 261014400

約数和(自身を除く): 38254079

約数列:

[1, 7, 49, 227, 343, 1589, 2861, 11123, 20027, 77861, 140189, 649447, 981323, 4546129, 31822903, 222760321]

約数ペア:

[(1, 222760321), (7, 31822903), (49, 4546129), (227, 981323), (343, 649447), (1589, 140189), (2861, 77861), (11123, 20027)]