25921377

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{16843}}^1$

素因数の和:16874

約数の個数: 20

約数和(自身を含む): 40762480

約数和(自身を除く): 14841103

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 16843, 50529, 151587, 320017, 454761, 960051, 1364283, 2880153, 8640459, 25921377]

約数ペア:

[(1, 25921377), (3, 8640459), (9, 2880153), (19, 1364283), (27, 960051), (57, 454761), (81, 320017), (171, 151587), (513, 50529), (1539, 16843)]