2720655

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{2879}}^1$

素因数の和:2900

約数の個数: 32

約数和(自身を含む): 5529600

約数和(自身を除く): 2808945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 2879, 8637, 14395, 20153, 25911, 43185, 60459, 77733, 100765, 129555, 181377, 302295, 388665, 544131, 906885, 2720655]

約数ペア:

[(1, 2720655), (3, 906885), (5, 544131), (7, 388665), (9, 302295), (15, 181377), (21, 129555), (27, 100765), (35, 77733), (45, 60459), (63, 43185), (105, 25911), (135, 20153), (189, 14395), (315, 8637), (945, 2879)]