18284721

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{66977}}^1$

素因数の和:67000

約数の個数: 16

約数和(自身を含む): 30006144

約数和(自身を除く): 11721423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 66977, 200931, 468839, 870701, 1406517, 2612103, 6094907, 18284721]

約数ペア:

[(1, 18284721), (3, 6094907), (7, 2612103), (13, 1406517), (21, 870701), (39, 468839), (91, 200931), (273, 66977)]