28965105

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 54949440

約数和(自身を除く): 25984335

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 67, 117, 195, 201, 335, 585, 603, 739, 871, 1005, 2217, 2613, 3015, 3695, 4355, 6651, 7839, 9607, 11085, 13065, 28821, 33255, 39195, 48035, 49513, 86463, 144105, 148539, 247565, 432315, 445617, 643669, 742695, 1931007, 2228085, 3218345, 5793021, 9655035, 28965105]

約数ペア:

[(1, 28965105), (3, 9655035), (5, 5793021), (9, 3218345), (13, 2228085), (15, 1931007), (39, 742695), (45, 643669), (65, 445617), (67, 432315), (117, 247565), (195, 148539), (201, 144105), (335, 86463), (585, 49513), (603, 48035), (739, 39195), (871, 33255), (1005, 28821), (2217, 13065), (2613, 11085), (3015, 9607), (3695, 7839), (4355, 6651)]