172645695

素因数分解:

$3^3\times 5^1\times {\mathrm{1278857}}^1$

素因数の和:1278871

約数の個数: 16

約数和(自身を含む): 306925920

約数和(自身を除く): 134280225

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1278857, 3836571, 6394285, 11509713, 19182855, 34529139, 57548565, 172645695]

約数ペア:

[(1, 172645695), (3, 57548565), (5, 34529139), (9, 19182855), (15, 11509713), (27, 6394285), (45, 3836571), (135, 1278857)]