221360181

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{340031}}^1$

素因数の和:340072

約数の個数: 16

約数和(自身を含む): 348192768

約数和(自身を除く): 126832587

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 340031, 1020093, 2380217, 7140651, 10540961, 31622883, 73786727, 221360181]

約数ペア:

[(1, 221360181), (3, 73786727), (7, 31622883), (21, 10540961), (31, 7140651), (93, 2380217), (217, 1020093), (651, 340031)]