288901557

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{42071}}^1$

素因数の和:42193

約数の個数: 24

約数和(自身を含む): 481303680

約数和(自身を除く): 192402123

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 42071, 126213, 294497, 378639, 883491, 2650473, 4585739, 13757217, 32100173, 41271651, 96300519, 288901557]

約数ペア:

[(1, 288901557), (3, 96300519), (7, 41271651), (9, 32100173), (21, 13757217), (63, 4585739), (109, 2650473), (327, 883491), (763, 378639), (981, 294497), (2289, 126213), (6867, 42071)]