638082009

素因数分解:

$3^3\times {\mathrm{317}}^1\times {\mathrm{74551}}^1$

素因数の和:74877

約数の個数: 16

約数和(自身を含む): 948301440

約数和(自身を除く): 310219431

約数列:

[1, 3, 9, 27, 317, 951, 2853, 8559, 74551, 223653, 670959, 2012877, 23632667, 70898001, 212694003, 638082009]

約数ペア:

[(1, 638082009), (3, 212694003), (9, 70898001), (27, 23632667), (317, 2012877), (951, 670959), (2853, 223653), (8559, 74551)]