668896557

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1384879}}^1$

素因数の和:1384912

約数の個数: 16

約数和(自身を含む): 1063587840

約数和(自身を除く): 394691283

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 1384879, 4154637, 9694153, 29082459, 31852217, 95556651, 222965519, 668896557]

約数ペア:

[(1, 668896557), (3, 222965519), (7, 95556651), (21, 31852217), (23, 29082459), (69, 9694153), (161, 4154637), (483, 1384879)]