28990455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{148669}}^1$

素因数の和:148690

約数の個数: 16

約数和(自身を含む): 49953120

約数和(自身を除く): 20962665

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 148669, 446007, 743345, 1932697, 2230035, 5798091, 9663485, 28990455]

約数ペア:

[(1, 28990455), (3, 9663485), (5, 5798091), (13, 2230035), (15, 1932697), (39, 743345), (65, 446007), (195, 148669)]