19710297

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5659}}^1$

素因数の和:5714

約数の個数: 20

約数和(自身を含む): 30133840

約数和(自身を除く): 10423543

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5659, 16977, 50931, 152793, 243337, 458379, 730011, 2190033, 6570099, 19710297]

約数ペア:

[(1, 19710297), (3, 6570099), (9, 2190033), (27, 730011), (43, 458379), (81, 243337), (129, 152793), (387, 50931), (1161, 16977), (3483, 5659)]