15661245

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{24281}}^1$

素因数の和:24332

約数の個数: 16

約数和(自身を含む): 25641792

約数和(自身を除く): 9980547

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 24281, 72843, 121405, 364215, 1044083, 3132249, 5220415, 15661245]

約数ペア:

[(1, 15661245), (3, 5220415), (5, 3132249), (15, 1044083), (43, 364215), (129, 121405), (215, 72843), (645, 24281)]