28705677

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 52469760

約数和(自身を除く): 23764083

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 79, 91, 121, 143, 231, 237, 273, 363, 429, 553, 847, 869, 1001, 1027, 1331, 1573, 1659, 2541, 2607, 3003, 3081, 3993, 4719, 6083, 7189, 9317, 9559, 11011, 11297, 17303, 18249, 21567, 27951, 28677, 33033, 33891, 51909, 66913, 79079, 105149, 121121, 124267, 200739, 237237, 315447, 363363, 372801, 736043, 869869, 1366937, 2208129, 2609607, 4100811, 9568559, 28705677]

約数ペア:

[(1, 28705677), (3, 9568559), (7, 4100811), (11, 2609607), (13, 2208129), (21, 1366937), (33, 869869), (39, 736043), (77, 372801), (79, 363363), (91, 315447), (121, 237237), (143, 200739), (231, 124267), (237, 121121), (273, 105149), (363, 79079), (429, 66913), (553, 51909), (847, 33891), (869, 33033), (1001, 28677), (1027, 27951), (1331, 21567), (1573, 18249), (1659, 17303), (2541, 11297), (2607, 11011), (3003, 9559), (3081, 9317), (3993, 7189), (4719, 6083)]