9899721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{443}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 15515136

約数和(自身を除く): 5615415

約数列:

[1, 3, 9, 13, 39, 117, 191, 443, 573, 1329, 1719, 2483, 3987, 5759, 7449, 17277, 22347, 51831, 84613, 253839, 761517, 1099969, 3299907, 9899721]

約数ペア:

[(1, 9899721), (3, 3299907), (9, 1099969), (13, 761517), (39, 253839), (117, 84613), (191, 51831), (443, 22347), (573, 17277), (1329, 7449), (1719, 5759), (2483, 3987)]