28786329

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22367}}^1$

素因数の和:22397

約数の個数: 24

約数和(自身を含む): 48851712

約数和(自身を除く): 20065383

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 22367, 67101, 201303, 246037, 290771, 738111, 872313, 2214333, 2616939, 3198481, 9595443, 28786329]

約数ペア:

[(1, 28786329), (3, 9595443), (9, 3198481), (11, 2616939), (13, 2214333), (33, 872313), (39, 738111), (99, 290771), (117, 246037), (143, 201303), (429, 67101), (1287, 22367)]