31571397

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:100

約数の個数: 96

約数和(自身を含む): 60082560

約数和(自身を除く): 28511163

約数列:

[1, 3, 9, 11, 13, 17, 27, 33, 37, 39, 51, 99, 111, 117, 143, 153, 169, 187, 221, 297, 333, 351, 407, 429, 459, 481, 507, 561, 629, 663, 999, 1221, 1287, 1443, 1521, 1683, 1859, 1887, 1989, 2431, 2873, 3663, 3861, 4329, 4563, 5049, 5291, 5577, 5661, 5967, 6253, 6919, 7293, 8177, 8619, 10989, 12987, 15873, 16731, 16983, 18759, 20757, 21879, 24531, 25857, 31603, 47619, 50193, 56277, 62271, 65637, 68783, 73593, 77571, 89947, 94809, 106301, 142857, 168831, 186813, 206349, 220779, 269841, 284427, 318903, 619047, 809523, 853281, 956709, 1169311, 1857141, 2428569, 2870127, 3507933, 10523799, 31571397]

約数ペア:

[(1, 31571397), (3, 10523799), (9, 3507933), (11, 2870127), (13, 2428569), (17, 1857141), (27, 1169311), (33, 956709), (37, 853281), (39, 809523), (51, 619047), (99, 318903), (111, 284427), (117, 269841), (143, 220779), (153, 206349), (169, 186813), (187, 168831), (221, 142857), (297, 106301), (333, 94809), (351, 89947), (407, 77571), (429, 73593), (459, 68783), (481, 65637), (507, 62271), (561, 56277), (629, 50193), (663, 47619), (999, 31603), (1221, 25857), (1287, 24531), (1443, 21879), (1521, 20757), (1683, 18759), (1859, 16983), (1887, 16731), (1989, 15873), (2431, 12987), (2873, 10989), (3663, 8619), (3861, 8177), (4329, 7293), (4563, 6919), (5049, 6253), (5291, 5967), (5577, 5661)]