7028217

素因数分解:

$3^2\times 7^2\times {\mathrm{15937}}^1$

素因数の和:15957

約数の個数: 18

約数和(自身を含む): 11810058

約数和(自身を除く): 4781841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 15937, 47811, 111559, 143433, 334677, 780913, 1004031, 2342739, 7028217]

約数ペア:

[(1, 7028217), (3, 2342739), (7, 1004031), (9, 780913), (21, 334677), (49, 143433), (63, 111559), (147, 47811), (441, 15937)]