81222516

素因数分解:

$2^2\times 3^2\times {\mathrm{2256181}}^1$

素因数の和:2256191

約数の個数: 18

約数和(自身を含む): 205312562

約数和(自身を除く): 124090046

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2256181, 4512362, 6768543, 9024724, 13537086, 20305629, 27074172, 40611258, 81222516]

約数ペア:

[(1, 81222516), (2, 40611258), (3, 27074172), (4, 20305629), (6, 13537086), (9, 9024724), (12, 6768543), (18, 4512362), (36, 2256181)]