25125201

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 43084800

約数和(自身を除く): 17959599

約数列:

[1, 3, 9, 17, 19, 27, 43, 51, 57, 67, 129, 153, 171, 201, 323, 387, 459, 513, 603, 731, 817, 969, 1139, 1161, 1273, 1809, 2193, 2451, 2881, 2907, 3417, 3819, 6579, 7353, 8643, 8721, 10251, 11457, 13889, 19737, 21641, 22059, 25929, 30753, 34371, 41667, 48977, 54739, 64923, 77787, 125001, 146931, 164217, 194769, 375003, 440793, 492651, 584307, 930563, 1322379, 1477953, 2791689, 8375067, 25125201]

約数ペア:

[(1, 25125201), (3, 8375067), (9, 2791689), (17, 1477953), (19, 1322379), (27, 930563), (43, 584307), (51, 492651), (57, 440793), (67, 375003), (129, 194769), (153, 164217), (171, 146931), (201, 125001), (323, 77787), (387, 64923), (459, 54739), (513, 48977), (603, 41667), (731, 34371), (817, 30753), (969, 25929), (1139, 22059), (1161, 21641), (1273, 19737), (1809, 13889), (2193, 11457), (2451, 10251), (2881, 8721), (2907, 8643), (3417, 7353), (3819, 6579)]