2012138739

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 3401443584

約数和(自身を除く): 1389304845

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 251, 299, 331, 351, 621, 753, 897, 993, 1053, 1863, 2259, 2691, 2979, 3263, 4303, 5773, 6777, 7613, 8073, 8937, 9789, 12909, 17319, 20331, 22839, 24219, 26811, 29367, 38727, 51957, 68517, 75049, 83081, 88101, 98969, 116181, 155871, 205551, 225147, 249243, 264303, 296907, 348543, 467613, 616653, 675441, 747729, 890721, 1080053, 1910863, 2026323, 2243187, 2672163, 3240159, 5732589, 6078969, 6729561, 8016489, 9720477, 17197767, 24841219, 29161431, 51593301, 74523657, 87484293, 154779903, 223570971, 670712913, 2012138739]

約数ペア:

[(1, 2012138739), (3, 670712913), (9, 223570971), (13, 154779903), (23, 87484293), (27, 74523657), (39, 51593301), (69, 29161431), (81, 24841219), (117, 17197767), (207, 9720477), (251, 8016489), (299, 6729561), (331, 6078969), (351, 5732589), (621, 3240159), (753, 2672163), (897, 2243187), (993, 2026323), (1053, 1910863), (1863, 1080053), (2259, 890721), (2691, 747729), (2979, 675441), (3263, 616653), (4303, 467613), (5773, 348543), (6777, 296907), (7613, 264303), (8073, 249243), (8937, 225147), (9789, 205551), (12909, 155871), (17319, 116181), (20331, 98969), (22839, 88101), (24219, 83081), (26811, 75049), (29367, 68517), (38727, 51957)]