12575997

素因数分解:

$3^2\times 7^2\times {\mathrm{28517}}^1$

素因数の和:28537

約数の個数: 18

約数和(自身を含む): 21131838

約数和(自身を除く): 8555841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 28517, 85551, 199619, 256653, 598857, 1397333, 1796571, 4191999, 12575997]

約数ペア:

[(1, 12575997), (3, 4191999), (7, 1796571), (9, 1397333), (21, 598857), (49, 256653), (63, 199619), (147, 85551), (441, 28517)]