642971331

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{1400809}}^1$

素因数の和:1400835

約数の個数: 16

約数和(自身を含む): 1008583200

約数和(自身を除く): 365611869

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 1400809, 4202427, 12607281, 23813753, 37821843, 71441259, 214323777, 642971331]

約数ペア:

[(1, 642971331), (3, 214323777), (9, 71441259), (17, 37821843), (27, 23813753), (51, 12607281), (153, 4202427), (459, 1400809)]