49788225

素因数分解:

$3^2\times 5^2\times {\mathrm{221281}}^1$

素因数の和:221297

約数の個数: 18

約数和(自身を含む): 89176646

約数和(自身を除く): 39388421

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 221281, 663843, 1106405, 1991529, 3319215, 5532025, 9957645, 16596075, 49788225]

約数ペア:

[(1, 49788225), (3, 16596075), (5, 9957645), (9, 5532025), (15, 3319215), (25, 1991529), (45, 1106405), (75, 663843), (225, 221281)]