1900575009

素因数分解:

$3^4\times {\mathrm{3253}}^1\times {\mathrm{7213}}^1$

素因数の和:10478

約数の個数: 20

約数和(自身を含む): 2840397076

約数和(自身を除く): 939822067

約数列:

[1, 3, 9, 27, 81, 3253, 7213, 9759, 21639, 29277, 64917, 87831, 194751, 263493, 584253, 23463889, 70391667, 211175001, 633525003, 1900575009]

約数ペア:

[(1, 1900575009), (3, 633525003), (9, 211175001), (27, 70391667), (81, 23463889), (3253, 584253), (7213, 263493), (9759, 194751), (21639, 87831), (29277, 64917)]