2639403

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1327}}^1$

素因数の和:1363

約数の個数: 24

約数和(自身を含む): 4350528

約数和(自身を除く): 1711125

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1327, 1989, 3981, 11943, 17251, 22559, 51753, 67677, 155259, 203031, 293267, 879801, 2639403]

約数ペア:

[(1, 2639403), (3, 879801), (9, 293267), (13, 203031), (17, 155259), (39, 67677), (51, 51753), (117, 22559), (153, 17251), (221, 11943), (663, 3981), (1327, 1989)]