13005279

素因数分解:

$3^4\times 7^1\times {\mathrm{22937}}^1$

素因数の和:22956

約数の個数: 20

約数和(自身を含む): 22203984

約数和(自身を除く): 9198705

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 22937, 68811, 160559, 206433, 481677, 619299, 1445031, 1857897, 4335093, 13005279]

約数ペア:

[(1, 13005279), (3, 4335093), (7, 1857897), (9, 1445031), (21, 619299), (27, 481677), (63, 206433), (81, 160559), (189, 68811), (567, 22937)]