2193127251

素因数分解:

$3^1\times 7^3\times {\mathrm{2131319}}^1$

素因数の和:2131343

約数の個数: 16

約数和(自身を含む): 3410112000

約数和(自身を除く): 1216984749

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2131319, 6393957, 14919233, 44757699, 104434631, 313303893, 731042417, 2193127251]

約数ペア:

[(1, 2193127251), (3, 731042417), (7, 313303893), (21, 104434631), (49, 44757699), (147, 14919233), (343, 6393957), (1029, 2131319)]