210919131

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{3319}}^1$

素因数の和:3655

約数の個数: 24

約数和(自身を含む): 319038720

約数和(自身を除く): 108119589

約数列:

[1, 3, 9, 23, 69, 207, 307, 921, 2763, 3319, 7061, 9957, 21183, 29871, 63549, 76337, 229011, 687033, 1018933, 3056799, 9170397, 23435459, 70306377, 210919131]

約数ペア:

[(1, 210919131), (3, 70306377), (9, 23435459), (23, 9170397), (69, 3056799), (207, 1018933), (307, 687033), (921, 229011), (2763, 76337), (3319, 63549), (7061, 29871), (9957, 21183)]