2205427

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 2737152

約数和(自身を除く): 531725

約数列:

[1, 7, 17, 43, 119, 301, 431, 731, 3017, 5117, 7327, 18533, 51289, 129731, 315061, 2205427]

約数ペア:

[(1, 2205427), (7, 315061), (17, 129731), (43, 51289), (119, 18533), (301, 7327), (431, 5117), (731, 3017)]