2790513

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 4470336

約数和(自身を除く): 1679823

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 397, 639, 781, 1191, 2343, 3573, 4367, 7029, 13101, 28187, 39303, 84561, 253683, 310057, 930171, 2790513]

約数ペア:

[(1, 2790513), (3, 930171), (9, 310057), (11, 253683), (33, 84561), (71, 39303), (99, 28187), (213, 13101), (397, 7029), (639, 4367), (781, 3573), (1191, 2343)]