7980291

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{541}}^1$

素因数の和:707

約数の個数: 24

約数和(自身を含む): 12682800

約数和(自身を除く): 4702509

約数列:

[1, 3, 9, 11, 33, 99, 149, 447, 541, 1341, 1623, 1639, 4869, 4917, 5951, 14751, 17853, 53559, 80609, 241827, 725481, 886699, 2660097, 7980291]

約数ペア:

[(1, 7980291), (3, 2660097), (9, 886699), (11, 725481), (33, 241827), (99, 80609), (149, 53559), (447, 17853), (541, 14751), (1341, 5951), (1623, 4917), (1639, 4869)]