243316515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1247777}}^1$

素因数の和:1247798

約数の個数: 16

約数和(自身を含む): 419253408

約数和(自身を除く): 175936893

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1247777, 3743331, 6238885, 16221101, 18716655, 48663303, 81105505, 243316515]

約数ペア:

[(1, 243316515), (3, 81105505), (5, 48663303), (13, 18716655), (15, 16221101), (39, 6238885), (65, 3743331), (195, 1247777)]