897450239

素因数分解:

$7^3\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 1083264000

約数和(自身を除く): 185813761

約数列:

[1, 7, 49, 59, 61, 343, 413, 427, 727, 2891, 2989, 3599, 5089, 20237, 20923, 25193, 35623, 42893, 44347, 176351, 249361, 300251, 310429, 1234457, 2101757, 2173003, 2616473, 14712299, 15211021, 18315311, 128207177, 897450239]

約数ペア:

[(1, 897450239), (7, 128207177), (49, 18315311), (59, 15211021), (61, 14712299), (343, 2616473), (413, 2173003), (427, 2101757), (727, 1234457), (2891, 310429), (2989, 300251), (3599, 249361), (5089, 176351), (20237, 44347), (20923, 42893), (25193, 35623)]