18700821

素因数分解:

$3^3\times {\mathrm{571}}^1\times {\mathrm{1213}}^1$

素因数の和:1793

約数の個数: 16

約数和(自身を含む): 27776320

約数和(自身を除く): 9075499

約数列:

[1, 3, 9, 27, 571, 1213, 1713, 3639, 5139, 10917, 15417, 32751, 692623, 2077869, 6233607, 18700821]

約数ペア:

[(1, 18700821), (3, 6233607), (9, 2077869), (27, 692623), (571, 32751), (1213, 15417), (1713, 10917), (3639, 5139)]