20961117

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{32803}}^1$

素因数の和:32880

約数の個数: 12

約数和(自身を含む): 30704544

約数和(自身を除く): 9743427

約数列:

[1, 3, 9, 71, 213, 639, 32803, 98409, 295227, 2329013, 6987039, 20961117]

約数ペア:

[(1, 20961117), (3, 6987039), (9, 2329013), (71, 295227), (213, 98409), (639, 32803)]