8490321

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 15200640

約数和(自身を除く): 6710319

約数列:

[1, 3, 7, 9, 19, 21, 41, 57, 63, 123, 133, 171, 173, 287, 369, 399, 519, 779, 861, 1197, 1211, 1557, 2337, 2583, 3287, 3633, 5453, 7011, 7093, 9861, 10899, 16359, 21279, 23009, 29583, 49077, 49651, 63837, 69027, 134767, 148953, 207081, 404301, 446859, 943369, 1212903, 2830107, 8490321]

約数ペア:

[(1, 8490321), (3, 2830107), (7, 1212903), (9, 943369), (19, 446859), (21, 404301), (41, 207081), (57, 148953), (63, 134767), (123, 69027), (133, 63837), (171, 49651), (173, 49077), (287, 29583), (369, 23009), (399, 21279), (519, 16359), (779, 10899), (861, 9861), (1197, 7093), (1211, 7011), (1557, 5453), (2337, 3633), (2583, 3287)]