81937185

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 150183936

約数和(自身を除く): 68246751

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 83, 93, 155, 165, 193, 249, 341, 415, 465, 579, 913, 965, 1023, 1245, 1705, 2123, 2573, 2739, 2895, 4565, 5115, 5983, 6369, 7719, 10615, 12865, 13695, 16019, 17949, 28303, 29915, 31845, 38595, 48057, 65813, 80095, 84909, 89745, 141515, 176209, 197439, 240285, 329065, 424545, 496589, 528627, 881045, 987195, 1489767, 2482945, 2643135, 5462479, 7448835, 16387437, 27312395, 81937185]

約数ペア:

[(1, 81937185), (3, 27312395), (5, 16387437), (11, 7448835), (15, 5462479), (31, 2643135), (33, 2482945), (55, 1489767), (83, 987195), (93, 881045), (155, 528627), (165, 496589), (193, 424545), (249, 329065), (341, 240285), (415, 197439), (465, 176209), (579, 141515), (913, 89745), (965, 84909), (1023, 80095), (1245, 65813), (1705, 48057), (2123, 38595), (2573, 31845), (2739, 29915), (2895, 28303), (4565, 17949), (5115, 16019), (5983, 13695), (6369, 12865), (7719, 10615)]