20180180619

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{51929}}^1$

素因数の和:52364

約数の個数: 32

約数和(自身を含む): 30784104000

約数和(自身を除く): 10603923381

約数列:

[1, 3, 9, 27, 37, 111, 333, 389, 999, 1167, 3501, 10503, 14393, 43179, 51929, 129537, 155787, 388611, 467361, 1402083, 1921373, 5764119, 17292357, 20200381, 51877071, 60601143, 181803429, 545410287, 747414097, 2242242291, 6726726873, 20180180619]

約数ペア:

[(1, 20180180619), (3, 6726726873), (9, 2242242291), (27, 747414097), (37, 545410287), (111, 181803429), (333, 60601143), (389, 51877071), (999, 20200381), (1167, 17292357), (3501, 5764119), (10503, 1921373), (14393, 1402083), (43179, 467361), (51929, 388611), (129537, 155787)]