201721621923

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{974500589}}^1$

素因数の和:974500618

約数の個数: 12

約数和(自身を含む): 304044184080

約数和(自身を除く): 102322562157

約数列:

[1, 3, 9, 23, 69, 207, 974500589, 2923501767, 8770505301, 22413513547, 67240540641, 201721621923]

約数ペア:

[(1, 201721621923), (3, 67240540641), (9, 22413513547), (23, 8770505301), (69, 2923501767), (207, 974500589)]