72647253

素因数分解:

$3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1277}}^1$

素因数の和:1343

約数の個数: 48

約数和(自身を含む): 128208960

約数和(自身を除く): 55561707

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 301, 387, 441, 903, 1161, 1277, 1323, 2107, 2709, 3831, 6321, 8127, 8939, 11493, 18963, 26817, 34479, 54911, 56889, 62573, 80451, 164733, 187719, 241353, 384377, 494199, 563157, 1153131, 1482597, 1689471, 2690639, 3459393, 8071917, 10378179, 24215751, 72647253]

約数ペア:

[(1, 72647253), (3, 24215751), (7, 10378179), (9, 8071917), (21, 3459393), (27, 2690639), (43, 1689471), (49, 1482597), (63, 1153131), (129, 563157), (147, 494199), (189, 384377), (301, 241353), (387, 187719), (441, 164733), (903, 80451), (1161, 62573), (1277, 56889), (1323, 54911), (2107, 34479), (2709, 26817), (3831, 18963), (6321, 11493), (8127, 8939)]