71896167

素因数分解:

$3^6\times 7^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:291

約数の個数: 56

約数和(自身を含む): 125528864

約数和(自身を除く): 53632697

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 193, 219, 243, 511, 567, 579, 657, 729, 1351, 1533, 1701, 1737, 1971, 4053, 4599, 5103, 5211, 5913, 12159, 13797, 14089, 15633, 17739, 36477, 41391, 42267, 46899, 53217, 98623, 109431, 124173, 126801, 140697, 295869, 328293, 372519, 380403, 887607, 984879, 1141209, 2662821, 3423627, 7988463, 10270881, 23965389, 71896167]

約数ペア:

[(1, 71896167), (3, 23965389), (7, 10270881), (9, 7988463), (21, 3423627), (27, 2662821), (63, 1141209), (73, 984879), (81, 887607), (189, 380403), (193, 372519), (219, 328293), (243, 295869), (511, 140697), (567, 126801), (579, 124173), (657, 109431), (729, 98623), (1351, 53217), (1533, 46899), (1701, 42267), (1737, 41391), (1971, 36477), (4053, 17739), (4599, 15633), (5103, 14089), (5211, 13797), (5913, 12159)]