18217558719

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1\times {\mathrm{457}}^1$

素因数の和:921

約数の個数: 64

約数和(自身を含む): 27957052800

約数和(自身を除く): 9739494081

約数列:

[1, 3, 9, 27, 53, 89, 159, 267, 313, 457, 477, 801, 939, 1371, 1431, 2403, 2817, 4113, 4717, 8451, 12339, 14151, 16589, 24221, 27857, 40673, 42453, 49767, 72663, 83571, 122019, 127359, 143041, 149301, 217989, 250713, 366057, 429123, 447903, 653967, 752139, 1098171, 1287369, 1476421, 2155669, 3862107, 4429263, 6467007, 7581173, 12730649, 13287789, 19401021, 22743519, 38191947, 39863367, 58203063, 68230557, 114575841, 204691671, 343727523, 674724397, 2024173191, 6072519573, 18217558719]

約数ペア:

[(1, 18217558719), (3, 6072519573), (9, 2024173191), (27, 674724397), (53, 343727523), (89, 204691671), (159, 114575841), (267, 68230557), (313, 58203063), (457, 39863367), (477, 38191947), (801, 22743519), (939, 19401021), (1371, 13287789), (1431, 12730649), (2403, 7581173), (2817, 6467007), (4113, 4429263), (4717, 3862107), (8451, 2155669), (12339, 1476421), (14151, 1287369), (16589, 1098171), (24221, 752139), (27857, 653967), (40673, 447903), (42453, 429123), (49767, 366057), (72663, 250713), (83571, 217989), (122019, 149301), (127359, 143041)]