2195973

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^2$

素因数の和:293

約数の個数: 18

約数和(自身を含む): 3441074

約数和(自身を除く): 1245101

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 1233, 1781, 5343, 16029, 18769, 56307, 168921, 243997, 731991, 2195973]

約数ペア:

[(1, 2195973), (3, 731991), (9, 243997), (13, 168921), (39, 56307), (117, 18769), (137, 16029), (411, 5343), (1233, 1781)]