27720721791

素因数分解:

$3^2\times 7^1\times {\mathrm{440011457}}^1$

素因数の和:440011470

約数の個数: 12

約数和(自身を含む): 45761191632

約数和(自身を除く): 18040469841

約数列:

[1, 3, 7, 9, 21, 63, 440011457, 1320034371, 3080080199, 3960103113, 9240240597, 27720721791]

約数ペア:

[(1, 27720721791), (3, 9240240597), (7, 3960103113), (9, 3080080199), (21, 1320034371), (63, 440011457)]