81643356

素因数分解:

$2^2\times 3^3\times {\mathrm{239}}^1\times {\mathrm{3163}}^1$

素因数の和:3415

約数の個数: 48

約数和(自身を含む): 212620800

約数和(自身を除く): 130977444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 239, 478, 717, 956, 1434, 2151, 2868, 3163, 4302, 6326, 6453, 8604, 9489, 12652, 12906, 18978, 25812, 28467, 37956, 56934, 85401, 113868, 170802, 341604, 755957, 1511914, 2267871, 3023828, 4535742, 6803613, 9071484, 13607226, 20410839, 27214452, 40821678, 81643356]

約数ペア:

[(1, 81643356), (2, 40821678), (3, 27214452), (4, 20410839), (6, 13607226), (9, 9071484), (12, 6803613), (18, 4535742), (27, 3023828), (36, 2267871), (54, 1511914), (108, 755957), (239, 341604), (478, 170802), (717, 113868), (956, 85401), (1434, 56934), (2151, 37956), (2868, 28467), (3163, 25812), (4302, 18978), (6326, 12906), (6453, 12652), (8604, 9489)]