12980655

素因数分解:

$3^4\times 5^1\times {\mathrm{32051}}^1$

素因数の和:32068

約数の個数: 20

約数和(自身を含む): 23269752

約数和(自身を除く): 10289097

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 32051, 96153, 160255, 288459, 480765, 865377, 1442295, 2596131, 4326885, 12980655]

約数ペア:

[(1, 12980655), (3, 4326885), (5, 2596131), (9, 1442295), (15, 865377), (27, 480765), (45, 288459), (81, 160255), (135, 96153), (405, 32051)]