1899117009

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{756319}}^1$

素因数の和:756362

約数の個数: 20

約数和(自身を含む): 2928471040

約数和(自身を除く): 1029354031

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 756319, 2268957, 6806871, 20420613, 23445889, 61261839, 70337667, 211013001, 633039003, 1899117009]

約数ペア:

[(1, 1899117009), (3, 633039003), (9, 211013001), (27, 70337667), (31, 61261839), (81, 23445889), (93, 20420613), (279, 6806871), (837, 2268957), (2511, 756319)]