81444906

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 192076800

約数和(自身を除く): 110631894

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 163, 171, 326, 342, 487, 489, 513, 974, 978, 1026, 1461, 1467, 2922, 2934, 3097, 4383, 4401, 6194, 8766, 8802, 9253, 9291, 13149, 18506, 18582, 26298, 27759, 27873, 55518, 55746, 79381, 83277, 83619, 158762, 166554, 167238, 238143, 249831, 476286, 499662, 714429, 1428858, 1508239, 2143287, 3016478, 4286574, 4524717, 9049434, 13574151, 27148302, 40722453, 81444906]

約数ペア:

[(1, 81444906), (2, 40722453), (3, 27148302), (6, 13574151), (9, 9049434), (18, 4524717), (19, 4286574), (27, 3016478), (38, 2143287), (54, 1508239), (57, 1428858), (114, 714429), (163, 499662), (171, 476286), (326, 249831), (342, 238143), (487, 167238), (489, 166554), (513, 158762), (974, 83619), (978, 83277), (1026, 79381), (1461, 55746), (1467, 55518), (2922, 27873), (2934, 27759), (3097, 26298), (4383, 18582), (4401, 18506), (6194, 13149), (8766, 9291), (8802, 9253)]