25920783

素因数分解:

$3^3\times 7^1\times {\mathrm{137147}}^1$

素因数の和:137163

約数の個数: 16

約数和(自身を含む): 43887360

約数和(自身を除く): 17966577

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 137147, 411441, 960029, 1234323, 2880087, 3702969, 8640261, 25920783]

約数ペア:

[(1, 25920783), (3, 8640261), (7, 3702969), (9, 2880087), (21, 1234323), (27, 960029), (63, 411441), (189, 137147)]