164021571

素因数分解:

$3^3\times 7^3\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 288000000

約数和(自身を除く): 123978429

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 89, 147, 189, 199, 267, 343, 441, 597, 623, 801, 1029, 1323, 1393, 1791, 1869, 2403, 3087, 4179, 4361, 5373, 5607, 9261, 9751, 12537, 13083, 16821, 17711, 29253, 30527, 37611, 39249, 53133, 68257, 87759, 91581, 117747, 123977, 159399, 204771, 263277, 274743, 371931, 478197, 614313, 824229, 867839, 1115793, 1842939, 2603517, 3347379, 6074873, 7810551, 18224619, 23431653, 54673857, 164021571]

約数ペア:

[(1, 164021571), (3, 54673857), (7, 23431653), (9, 18224619), (21, 7810551), (27, 6074873), (49, 3347379), (63, 2603517), (89, 1842939), (147, 1115793), (189, 867839), (199, 824229), (267, 614313), (343, 478197), (441, 371931), (597, 274743), (623, 263277), (801, 204771), (1029, 159399), (1323, 123977), (1393, 117747), (1791, 91581), (1869, 87759), (2403, 68257), (3087, 53133), (4179, 39249), (4361, 37611), (5373, 30527), (5607, 29253), (9261, 17711), (9751, 16821), (12537, 13083)]