205786245

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 408188160

約数和(自身を除く): 202401915

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 61, 89, 95, 105, 133, 183, 267, 285, 305, 361, 399, 427, 445, 623, 665, 915, 1083, 1159, 1281, 1335, 1691, 1805, 1869, 1995, 2135, 2527, 3115, 3477, 5073, 5415, 5429, 5795, 6405, 7581, 8113, 8455, 9345, 11837, 12635, 16287, 17385, 22021, 24339, 25365, 27145, 32129, 35511, 37905, 38003, 40565, 59185, 66063, 81435, 96387, 103151, 110105, 114009, 121695, 154147, 160645, 177555, 190015, 224903, 309453, 330315, 462441, 481935, 515755, 570045, 674709, 722057, 770735, 1124515, 1547265, 1959869, 2166171, 2312205, 3373545, 3610285, 5879607, 9799345, 10830855, 13719083, 29398035, 41157249, 68595415, 205786245]

約数ペア:

[(1, 205786245), (3, 68595415), (5, 41157249), (7, 29398035), (15, 13719083), (19, 10830855), (21, 9799345), (35, 5879607), (57, 3610285), (61, 3373545), (89, 2312205), (95, 2166171), (105, 1959869), (133, 1547265), (183, 1124515), (267, 770735), (285, 722057), (305, 674709), (361, 570045), (399, 515755), (427, 481935), (445, 462441), (623, 330315), (665, 309453), (915, 224903), (1083, 190015), (1159, 177555), (1281, 160645), (1335, 154147), (1691, 121695), (1805, 114009), (1869, 110105), (1995, 103151), (2135, 96387), (2527, 81435), (3115, 66063), (3477, 59185), (5073, 40565), (5415, 38003), (5429, 37905), (5795, 35511), (6405, 32129), (7581, 27145), (8113, 25365), (8455, 24339), (9345, 22021), (11837, 17385), (12635, 16287)]