290437119

素因数分解:

$3^2\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{4157}}^1$

素因数の和:5279

約数の個数: 24

約数和(自身を含む): 479999520

約数和(自身を除く): 189562401

約数列:

[1, 3, 7, 9, 21, 63, 1109, 3327, 4157, 7763, 9981, 12471, 23289, 29099, 37413, 69867, 87297, 261891, 4610113, 13830339, 32270791, 41491017, 96812373, 290437119]

約数ペア:

[(1, 290437119), (3, 96812373), (7, 41491017), (9, 32270791), (21, 13830339), (63, 4610113), (1109, 261891), (3327, 87297), (4157, 69867), (7763, 37413), (9981, 29099), (12471, 23289)]