25428897

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:116

約数の個数: 80

約数和(自身を含む): 45534720

約数和(自身を除く): 20105823

約数列:

[1, 3, 9, 13, 19, 27, 31, 39, 41, 57, 81, 93, 117, 123, 171, 247, 279, 351, 369, 403, 513, 533, 589, 741, 779, 837, 1053, 1107, 1209, 1271, 1539, 1599, 1767, 2223, 2337, 2511, 3321, 3627, 3813, 4797, 5301, 6669, 7011, 7657, 10127, 10881, 11439, 14391, 15903, 16523, 20007, 21033, 22971, 24149, 30381, 32643, 34317, 43173, 47709, 49569, 63099, 68913, 72447, 91143, 102951, 148707, 206739, 217341, 273429, 313937, 446121, 620217, 652023, 820287, 941811, 1338363, 1956069, 2825433, 8476299, 25428897]

約数ペア:

[(1, 25428897), (3, 8476299), (9, 2825433), (13, 1956069), (19, 1338363), (27, 941811), (31, 820287), (39, 652023), (41, 620217), (57, 446121), (81, 313937), (93, 273429), (117, 217341), (123, 206739), (171, 148707), (247, 102951), (279, 91143), (351, 72447), (369, 68913), (403, 63099), (513, 49569), (533, 47709), (589, 43173), (741, 34317), (779, 32643), (837, 30381), (1053, 24149), (1107, 22971), (1209, 21033), (1271, 20007), (1539, 16523), (1599, 15903), (1767, 14391), (2223, 11439), (2337, 10881), (2511, 10127), (3321, 7657), (3627, 7011), (3813, 6669), (4797, 5301)]