15647121

素因数分解:

$3^3\times 7^2\times {\mathrm{11827}}^1$

素因数の和:11850

約数の個数: 24

約数和(自身を含む): 26967840

約数和(自身を除く): 11320719

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 11827, 35481, 82789, 106443, 248367, 319329, 579523, 745101, 1738569, 2235303, 5215707, 15647121]

約数ペア:

[(1, 15647121), (3, 5215707), (7, 2235303), (9, 1738569), (21, 745101), (27, 579523), (49, 319329), (63, 248367), (147, 106443), (189, 82789), (441, 35481), (1323, 11827)]