161651259

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12277}}^1$

素因数の和:12320

約数の個数: 48

約数和(自身を含む): 306458880

約数和(自身を除く): 144807621

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1881, 4389, 12277, 13167, 36831, 85939, 110493, 135047, 233263, 257817, 405141, 699789, 773451, 945329, 1215423, 1632841, 2099367, 2565893, 2835987, 4898523, 7697679, 8507961, 14695569, 17961251, 23093037, 53883753, 161651259]

約数ペア:

[(1, 161651259), (3, 53883753), (7, 23093037), (9, 17961251), (11, 14695569), (19, 8507961), (21, 7697679), (33, 4898523), (57, 2835987), (63, 2565893), (77, 2099367), (99, 1632841), (133, 1215423), (171, 945329), (209, 773451), (231, 699789), (399, 405141), (627, 257817), (693, 233263), (1197, 135047), (1463, 110493), (1881, 85939), (4389, 36831), (12277, 13167)]