218052387

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2789}}^1$

素因数の和:2892

約数の個数: 48

約数和(自身を含む): 386493120

約数和(自身を除く): 168440733

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 73, 119, 153, 219, 357, 511, 657, 1071, 1241, 1533, 2789, 3723, 4599, 8367, 8687, 11169, 19523, 25101, 26061, 47413, 58569, 78183, 142239, 175707, 203597, 331891, 426717, 610791, 995673, 1425179, 1832373, 2987019, 3461149, 4275537, 10383447, 12826611, 24228043, 31150341, 72684129, 218052387]

約数ペア:

[(1, 218052387), (3, 72684129), (7, 31150341), (9, 24228043), (17, 12826611), (21, 10383447), (51, 4275537), (63, 3461149), (73, 2987019), (119, 1832373), (153, 1425179), (219, 995673), (357, 610791), (511, 426717), (657, 331891), (1071, 203597), (1241, 175707), (1533, 142239), (2789, 78183), (3723, 58569), (4599, 47413), (8367, 26061), (8687, 25101), (11169, 19523)]