31879449

素因数分解:

$3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 56160000

約数和(自身を除く): 24280551

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 343, 441, 449, 483, 1029, 1127, 1347, 1449, 3087, 3143, 3381, 4041, 7889, 9429, 10143, 10327, 22001, 23667, 28287, 30981, 66003, 71001, 72289, 92943, 154007, 198009, 216867, 462021, 506023, 650601, 1386063, 1518069, 3542161, 4554207, 10626483, 31879449]

約数ペア:

[(1, 31879449), (3, 10626483), (7, 4554207), (9, 3542161), (21, 1518069), (23, 1386063), (49, 650601), (63, 506023), (69, 462021), (147, 216867), (161, 198009), (207, 154007), (343, 92943), (441, 72289), (449, 71001), (483, 66003), (1029, 30981), (1127, 28287), (1347, 23667), (1449, 22001), (3087, 10327), (3143, 10143), (3381, 9429), (4041, 7889)]