2780451117

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{1492459}}^1$

素因数の和:1492494

約数の個数: 20

約数和(自身を含む): 4334103840

約数和(自身を除く): 1553652723

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 1492459, 4477377, 13432131, 34326557, 40296393, 102979671, 120889179, 308939013, 926817039, 2780451117]

約数ペア:

[(1, 2780451117), (3, 926817039), (9, 308939013), (23, 120889179), (27, 102979671), (69, 40296393), (81, 34326557), (207, 13432131), (621, 4477377), (1863, 1492459)]