8919999

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{8191}}^1$

素因数の和:8219

約数の個数: 18

約数和(自身を含む): 14163968

約数和(自身を除く): 5243969

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 8191, 24573, 73719, 90101, 270303, 810909, 991111, 2973333, 8919999]

約数ペア:

[(1, 8919999), (3, 2973333), (9, 991111), (11, 810909), (33, 270303), (99, 90101), (121, 73719), (363, 24573), (1089, 8191)]