245865165

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{641}}^1$

素因数の和:950

約数の個数: 64

約数和(自身を含む): 486646272

約数和(自身を除く): 240781107

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 281, 455, 641, 843, 1365, 1405, 1923, 1967, 3205, 3653, 4215, 4487, 5901, 8333, 9615, 9835, 10959, 13461, 18265, 22435, 24999, 25571, 29505, 41665, 54795, 58331, 67305, 76713, 124995, 127855, 174993, 180121, 291655, 383565, 540363, 874965, 900605, 1260847, 2341573, 2701815, 3782541, 6304235, 7024719, 11707865, 16391011, 18912705, 35123595, 49173033, 81955055, 245865165]

約数ペア:

[(1, 245865165), (3, 81955055), (5, 49173033), (7, 35123595), (13, 18912705), (15, 16391011), (21, 11707865), (35, 7024719), (39, 6304235), (65, 3782541), (91, 2701815), (105, 2341573), (195, 1260847), (273, 900605), (281, 874965), (455, 540363), (641, 383565), (843, 291655), (1365, 180121), (1405, 174993), (1923, 127855), (1967, 124995), (3205, 76713), (3653, 67305), (4215, 58331), (4487, 54795), (5901, 41665), (8333, 29505), (9615, 25571), (9835, 24999), (10959, 22435), (13461, 18265)]