31728105

素因数分解:

$3^4\times 5^1\times {\mathrm{78341}}^1$

素因数の和:78358

約数の個数: 20

約数和(自身を含む): 56876292

約数和(自身を除く): 25148187

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 78341, 235023, 391705, 705069, 1175115, 2115207, 3525345, 6345621, 10576035, 31728105]

約数ペア:

[(1, 31728105), (3, 10576035), (5, 6345621), (9, 3525345), (15, 2115207), (27, 1175115), (45, 705069), (81, 391705), (135, 235023), (405, 78341)]