28372065

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{111263}}^1$

素因数の和:111288

約数の個数: 16

約数和(自身を含む): 48066048

約数和(自身を除く): 19693983

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 111263, 333789, 556315, 1668945, 1891471, 5674413, 9457355, 28372065]

約数ペア:

[(1, 28372065), (3, 9457355), (5, 5674413), (15, 1891471), (17, 1668945), (51, 556315), (85, 333789), (255, 111263)]