49781475

素因数分解:

$3^2\times 5^2\times {\mathrm{221251}}^1$

素因数の和:221267

約数の個数: 18

約数和(自身を含む): 89164556

約数和(自身を除く): 39383081

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 221251, 663753, 1106255, 1991259, 3318765, 5531275, 9956295, 16593825, 49781475]

約数ペア:

[(1, 49781475), (3, 16593825), (5, 9956295), (9, 5531275), (15, 3318765), (25, 1991259), (45, 1106255), (75, 663753), (225, 221251)]