66400695

素因数分解:

$3^3\times 5^1\times {\mathrm{491857}}^1$

素因数の和:491871

約数の個数: 16

約数和(自身を含む): 118045920

約数和(自身を除く): 51645225

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 491857, 1475571, 2459285, 4426713, 7377855, 13280139, 22133565, 66400695]

約数ペア:

[(1, 66400695), (3, 22133565), (5, 13280139), (9, 7377855), (15, 4426713), (27, 2459285), (45, 1475571), (135, 491857)]