25219431

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{13537}}^1$

素因数の和:13572

約数の個数: 20

約数和(自身を含む): 39314352

約数和(自身を除く): 14094921

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 13537, 40611, 121833, 311351, 365499, 934053, 1096497, 2802159, 8406477, 25219431]

約数ペア:

[(1, 25219431), (3, 8406477), (9, 2802159), (23, 1096497), (27, 934053), (69, 365499), (81, 311351), (207, 121833), (621, 40611), (1863, 13537)]