221210731

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{3163}}^1$

素因数の和:3370

約数の個数: 16

約数和(自身を含む): 257979904

約数和(自身を除く): 36769173

約数列:

[1, 7, 97, 103, 679, 721, 3163, 9991, 22141, 69937, 306811, 325789, 2147677, 2280523, 31601533, 221210731]

約数ペア:

[(1, 221210731), (7, 31601533), (97, 2280523), (103, 2147677), (679, 325789), (721, 306811), (3163, 69937), (9991, 22141)]