142726245

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{221281}}^1$

素因数の和:221332

約数の個数: 16

約数和(自身を含む): 233673792

約数和(自身を除く): 90947547

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 221281, 663843, 1106405, 3319215, 9515083, 28545249, 47575415, 142726245]

約数ペア:

[(1, 142726245), (3, 47575415), (5, 28545249), (15, 9515083), (43, 3319215), (129, 1106405), (215, 663843), (645, 221281)]