990645981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1494187}}^1$

素因数の和:1494220

約数の個数: 16

約数和(自身を含む): 1506141504

約数和(自身を除く): 515495523

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 1494187, 4482561, 19424431, 25401179, 58273293, 76203537, 330215327, 990645981]

約数ペア:

[(1, 990645981), (3, 330215327), (13, 76203537), (17, 58273293), (39, 25401179), (51, 19424431), (221, 4482561), (663, 1494187)]