12478131

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{1213}}^1$

素因数の和:1352

約数の個数: 20

約数和(自身を含む): 18802432

約数和(自身を除く): 6324301

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 1213, 3429, 3639, 10287, 10917, 32751, 98253, 154051, 462153, 1386459, 4159377, 12478131]

約数ペア:

[(1, 12478131), (3, 4159377), (9, 1386459), (27, 462153), (81, 154051), (127, 98253), (381, 32751), (1143, 10917), (1213, 10287), (3429, 3639)]