2161569249

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{2633}}^1$

素因数の和:2886

約数の個数: 48

約数和(自身を含む): 3635678592

約数和(自身を除く): 1474109343

約数列:

[1, 3, 7, 9, 21, 63, 83, 157, 249, 471, 581, 747, 1099, 1413, 1743, 2633, 3297, 5229, 7899, 9891, 13031, 18431, 23697, 39093, 55293, 91217, 117279, 165879, 218539, 273651, 413381, 655617, 820953, 1240143, 1529773, 1966851, 2893667, 3720429, 4589319, 8681001, 13767957, 26043003, 34310623, 102931869, 240174361, 308795607, 720523083, 2161569249]

約数ペア:

[(1, 2161569249), (3, 720523083), (7, 308795607), (9, 240174361), (21, 102931869), (63, 34310623), (83, 26043003), (157, 13767957), (249, 8681001), (471, 4589319), (581, 3720429), (747, 2893667), (1099, 1966851), (1413, 1529773), (1743, 1240143), (2633, 820953), (3297, 655617), (5229, 413381), (7899, 273651), (9891, 218539), (13031, 165879), (18431, 117279), (23697, 91217), (39093, 55293)]