27720752913

素因数分解:

$3^2\times 7^1\times {\mathrm{440011951}}^1$

素因数の和:440011964

約数の個数: 12

約数和(自身を含む): 45761243008

約数和(自身を除く): 18040490095

約数列:

[1, 3, 7, 9, 21, 63, 440011951, 1320035853, 3080083657, 3960107559, 9240250971, 27720752913]

約数ペア:

[(1, 27720752913), (3, 9240250971), (7, 3960107559), (9, 3080083657), (21, 1320035853), (63, 440011951)]