213068135

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1\times {\mathrm{293}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 298045440

約数和(自身を除く): 84977305

約数列:

[1, 5, 7, 35, 79, 263, 293, 395, 553, 1315, 1465, 1841, 2051, 2765, 9205, 10255, 20777, 23147, 77059, 103885, 115735, 145439, 162029, 385295, 539413, 727195, 810145, 2697065, 6087661, 30438305, 42613627, 213068135]

約数ペア:

[(1, 213068135), (5, 42613627), (7, 30438305), (35, 6087661), (79, 2697065), (263, 810145), (293, 727195), (395, 539413), (553, 385295), (1315, 162029), (1465, 145439), (1841, 115735), (2051, 103885), (2765, 77059), (9205, 23147), (10255, 20777)]