253342815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{277}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 465011712

約数和(自身を除く): 211668897

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 165, 241, 253, 277, 345, 723, 759, 831, 1205, 1265, 1385, 2651, 3047, 3615, 3795, 4155, 5543, 6371, 7953, 9141, 13255, 15235, 16629, 19113, 27715, 31855, 39765, 45705, 60973, 66757, 70081, 83145, 95565, 182919, 200271, 210243, 304865, 333785, 350405, 734327, 914595, 1001355, 1051215, 1535411, 2202981, 3671635, 4606233, 7677055, 11014905, 16889521, 23031165, 50668563, 84447605, 253342815]

約数ペア:

[(1, 253342815), (3, 84447605), (5, 50668563), (11, 23031165), (15, 16889521), (23, 11014905), (33, 7677055), (55, 4606233), (69, 3671635), (115, 2202981), (165, 1535411), (241, 1051215), (253, 1001355), (277, 914595), (345, 734327), (723, 350405), (759, 333785), (831, 304865), (1205, 210243), (1265, 200271), (1385, 182919), (2651, 95565), (3047, 83145), (3615, 70081), (3795, 66757), (4155, 60973), (5543, 45705), (6371, 39765), (7953, 31855), (9141, 27715), (13255, 19113), (15235, 16629)]