2637999

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3221}}^1$

素因数の和:3247

約数の個数: 24

約数和(自身を含む): 4691232

約数和(自身を除く): 2053233

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 3221, 9663, 22547, 28989, 41873, 67641, 125619, 202923, 293111, 376857, 879333, 2637999]

約数ペア:

[(1, 2637999), (3, 879333), (7, 376857), (9, 293111), (13, 202923), (21, 125619), (39, 67641), (63, 41873), (91, 28989), (117, 22547), (273, 9663), (819, 3221)]