15678211731

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{5791}}^1$

素因数の和:6072

約数の個数: 64

約数和(自身を含む): 26404847616

約数和(自身を除く): 10726635885

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 211, 273, 329, 611, 633, 987, 1477, 1833, 2743, 4277, 4431, 5791, 8229, 9917, 12831, 17373, 19201, 29751, 40537, 57603, 69419, 75283, 121611, 128921, 208257, 225849, 272177, 386763, 526981, 816531, 902447, 1221901, 1580943, 1905239, 2707341, 3538301, 3665703, 5715717, 8553307, 10614903, 15884713, 24768107, 25659921, 47654139, 57429347, 74304321, 111192991, 172288041, 333578973, 402005429, 746581511, 1206016287, 2239744533, 5226070577, 15678211731]

約数ペア:

[(1, 15678211731), (3, 5226070577), (7, 2239744533), (13, 1206016287), (21, 746581511), (39, 402005429), (47, 333578973), (91, 172288041), (141, 111192991), (211, 74304321), (273, 57429347), (329, 47654139), (611, 25659921), (633, 24768107), (987, 15884713), (1477, 10614903), (1833, 8553307), (2743, 5715717), (4277, 3665703), (4431, 3538301), (5791, 2707341), (8229, 1905239), (9917, 1580943), (12831, 1221901), (17373, 902447), (19201, 816531), (29751, 526981), (40537, 386763), (57603, 272177), (69419, 225849), (75283, 208257), (121611, 128921)]