81834039

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{701}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 144555840

約数和(自身を除く): 62721801

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 109, 119, 153, 327, 357, 701, 763, 981, 1071, 1853, 2103, 2289, 4907, 5559, 6309, 6867, 11917, 12971, 14721, 16677, 35751, 38913, 44163, 76409, 83419, 107253, 116739, 229227, 250257, 534863, 687681, 750771, 1298953, 1604589, 3896859, 4813767, 9092671, 11690577, 27278013, 81834039]

約数ペア:

[(1, 81834039), (3, 27278013), (7, 11690577), (9, 9092671), (17, 4813767), (21, 3896859), (51, 1604589), (63, 1298953), (109, 750771), (119, 687681), (153, 534863), (327, 250257), (357, 229227), (701, 116739), (763, 107253), (981, 83419), (1071, 76409), (1853, 44163), (2103, 38913), (2289, 35751), (4907, 16677), (5559, 14721), (6309, 12971), (6867, 11917)]