18287631

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:208

約数の個数: 36

約数和(自身を含む): 28735200

約数和(自身を除く): 10447569

約数列:

[1, 3, 9, 17, 51, 79, 89, 153, 237, 267, 289, 711, 801, 867, 1343, 1513, 2601, 4029, 4539, 7031, 12087, 13617, 21093, 22831, 25721, 63279, 68493, 77163, 119527, 205479, 231489, 358581, 1075743, 2031959, 6095877, 18287631]

約数ペア:

[(1, 18287631), (3, 6095877), (9, 2031959), (17, 1075743), (51, 358581), (79, 231489), (89, 205479), (153, 119527), (237, 77163), (267, 68493), (289, 63279), (711, 25721), (801, 22831), (867, 21093), (1343, 13617), (1513, 12087), (2601, 7031), (4029, 4539)]