18071559

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 29652480

約数和(自身を除く): 11580921

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 857, 1917, 2343, 2571, 7029, 7713, 9427, 21087, 23139, 28281, 60847, 84843, 182541, 254529, 547623, 669317, 1642869, 2007951, 6023853, 18071559]

約数ペア:

[(1, 18071559), (3, 6023853), (9, 2007951), (11, 1642869), (27, 669317), (33, 547623), (71, 254529), (99, 182541), (213, 84843), (297, 60847), (639, 28281), (781, 23139), (857, 21087), (1917, 9427), (2343, 7713), (2571, 7029)]