28381023

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{601}}^1$

素因数の和:677

約数の個数: 40

約数和(自身を含む): 47201616

約数和(自身を除く): 18820593

約数列:

[1, 3, 9, 11, 27, 33, 53, 81, 99, 159, 297, 477, 583, 601, 891, 1431, 1749, 1803, 4293, 5247, 5409, 6611, 15741, 16227, 19833, 31853, 47223, 48681, 59499, 95559, 178497, 286677, 350383, 535491, 860031, 1051149, 2580093, 3153447, 9460341, 28381023]

約数ペア:

[(1, 28381023), (3, 9460341), (9, 3153447), (11, 2580093), (27, 1051149), (33, 860031), (53, 535491), (81, 350383), (99, 286677), (159, 178497), (297, 95559), (477, 59499), (583, 48681), (601, 47223), (891, 31853), (1431, 19833), (1749, 16227), (1803, 15741), (4293, 6611), (5247, 5409)]