12201345

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20857}}^1$

素因数の和:20881

約数の個数: 24

約数和(自身を含む): 22776936

約数和(自身を除く): 10575591

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 20857, 62571, 104285, 187713, 271141, 312855, 813423, 938565, 1355705, 2440269, 4067115, 12201345]

約数ペア:

[(1, 12201345), (3, 4067115), (5, 2440269), (9, 1355705), (13, 938565), (15, 813423), (39, 312855), (45, 271141), (65, 187713), (117, 104285), (195, 62571), (585, 20857)]