90920754

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{71143}}^1$

素因数の和:71222

約数の個数: 24

約数和(自身を含む): 199772352

約数和(自身を除く): 108851598

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 71143, 142286, 213429, 426858, 640287, 1280574, 5051153, 10102306, 15153459, 30306918, 45460377, 90920754]

約数ペア:

[(1, 90920754), (2, 45460377), (3, 30306918), (6, 15153459), (9, 10102306), (18, 5051153), (71, 1280574), (142, 640287), (213, 426858), (426, 213429), (639, 142286), (1278, 71143)]