187859331

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 80

約数和(自身を含む): 326177280

約数和(自身を除く): 138317949

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 89, 99, 103, 207, 253, 267, 297, 309, 621, 759, 801, 891, 927, 979, 1133, 1863, 2047, 2277, 2369, 2403, 2781, 2937, 3399, 6141, 6831, 7107, 7209, 8343, 8811, 9167, 10197, 18423, 20493, 21321, 22517, 26059, 26433, 27501, 30591, 55269, 63963, 67551, 78177, 79299, 82503, 91773, 100837, 165807, 191889, 202653, 210841, 234531, 247509, 302511, 607959, 632523, 703593, 742527, 907533, 1823877, 1897569, 2110779, 2319251, 2722599, 5692707, 6957753, 8167797, 17078121, 20873259, 62619777, 187859331]

約数ペア:

[(1, 187859331), (3, 62619777), (9, 20873259), (11, 17078121), (23, 8167797), (27, 6957753), (33, 5692707), (69, 2722599), (81, 2319251), (89, 2110779), (99, 1897569), (103, 1823877), (207, 907533), (253, 742527), (267, 703593), (297, 632523), (309, 607959), (621, 302511), (759, 247509), (801, 234531), (891, 210841), (927, 202653), (979, 191889), (1133, 165807), (1863, 100837), (2047, 91773), (2277, 82503), (2369, 79299), (2403, 78177), (2781, 67551), (2937, 63963), (3399, 55269), (6141, 30591), (6831, 27501), (7107, 26433), (7209, 26059), (8343, 22517), (8811, 21321), (9167, 20493), (10197, 18423)]