197679285

素因数分解:

$3^6\times 5^1\times {\mathrm{193}}^1\times {\mathrm{281}}^1$

素因数の和:497

約数の個数: 56

約数和(自身を含む): 358775064

約数和(自身を除く): 161095779

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 193, 243, 281, 405, 579, 729, 843, 965, 1215, 1405, 1737, 2529, 2895, 3645, 4215, 5211, 7587, 8685, 12645, 15633, 22761, 26055, 37935, 46899, 54233, 68283, 78165, 113805, 140697, 162699, 204849, 234495, 271165, 341415, 488097, 703485, 813495, 1024245, 1464291, 2440485, 4392873, 7321455, 13178619, 21964365, 39535857, 65893095, 197679285]

約数ペア:

[(1, 197679285), (3, 65893095), (5, 39535857), (9, 21964365), (15, 13178619), (27, 7321455), (45, 4392873), (81, 2440485), (135, 1464291), (193, 1024245), (243, 813495), (281, 703485), (405, 488097), (579, 341415), (729, 271165), (843, 234495), (965, 204849), (1215, 162699), (1405, 140697), (1737, 113805), (2529, 78165), (2895, 68283), (3645, 54233), (4215, 46899), (5211, 37935), (7587, 26055), (8685, 22761), (12645, 15633)]