211820463

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{821}}^1$

素因数の和:1199

約数の個数: 24

約数和(自身を含む): 310321440

約数和(自身を除く): 98500977

約数列:

[1, 3, 9, 109, 263, 327, 789, 821, 981, 2367, 2463, 7389, 28667, 86001, 89489, 215923, 258003, 268467, 647769, 805401, 1943307, 23535607, 70606821, 211820463]

約数ペア:

[(1, 211820463), (3, 70606821), (9, 23535607), (109, 1943307), (263, 805401), (327, 647769), (789, 268467), (821, 258003), (981, 215923), (2367, 89489), (2463, 86001), (7389, 28667)]