2639091

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 4411344

約数和(自身を除く): 1772253

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1381, 1911, 4143, 9667, 17953, 29001, 53859, 67669, 125671, 203007, 377013, 879697, 2639091]

約数ペア:

[(1, 2639091), (3, 879697), (7, 377013), (13, 203007), (21, 125671), (39, 67669), (49, 53859), (91, 29001), (147, 17953), (273, 9667), (637, 4143), (1381, 1911)]