1656207

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:169

約数の個数: 40

約数和(自身を含む): 2973696

約数和(自身を除く): 1317489

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 127, 161, 189, 207, 381, 483, 567, 621, 889, 1143, 1449, 1863, 2667, 2921, 3429, 4347, 8001, 8763, 10287, 13041, 20447, 24003, 26289, 61341, 72009, 78867, 184023, 236601, 552069, 1656207]

約数ペア:

[(1, 1656207), (3, 552069), (7, 236601), (9, 184023), (21, 78867), (23, 72009), (27, 61341), (63, 26289), (69, 24003), (81, 20447), (127, 13041), (161, 10287), (189, 8763), (207, 8001), (381, 4347), (483, 3429), (567, 2921), (621, 2667), (889, 1863), (1143, 1449)]