28875105

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2957}}^1$

素因数の和:3006

約数の個数: 48

約数和(自身を含む): 59065344

約数和(自身を除く): 30190239

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 2957, 3255, 8871, 9765, 14785, 20699, 26613, 44355, 62097, 91667, 103495, 133065, 186291, 275001, 310485, 458335, 641669, 825003, 931455, 1375005, 1925007, 3208345, 4125015, 5775021, 9625035, 28875105]

約数ペア:

[(1, 28875105), (3, 9625035), (5, 5775021), (7, 4125015), (9, 3208345), (15, 1925007), (21, 1375005), (31, 931455), (35, 825003), (45, 641669), (63, 458335), (93, 310485), (105, 275001), (155, 186291), (217, 133065), (279, 103495), (315, 91667), (465, 62097), (651, 44355), (1085, 26613), (1395, 20699), (1953, 14785), (2957, 9765), (3255, 8871)]