12515391

素因数分解:

$3^4\times 7^1\times {\mathrm{22073}}^1$

素因数の和:22092

約数の個数: 20

約数和(自身を含む): 21367632

約数和(自身を除く): 8852241

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 22073, 66219, 154511, 198657, 463533, 595971, 1390599, 1787913, 4171797, 12515391]

約数ペア:

[(1, 12515391), (3, 4171797), (7, 1787913), (9, 1390599), (21, 595971), (27, 463533), (63, 198657), (81, 154511), (189, 66219), (567, 22073)]