28195455

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13523}}^1$

素因数の和:13670

約数の個数: 16

約数和(自身を含む): 45440640

約数和(自身を除く): 17245185

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 13523, 40569, 67615, 202845, 1879697, 5639091, 9398485, 28195455]

約数ペア:

[(1, 28195455), (3, 9398485), (5, 5639091), (15, 1879697), (139, 202845), (417, 67615), (695, 40569), (2085, 13523)]