28276395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1367}}^1$

素因数の和:1579

約数の個数: 32

約数和(自身を含む): 52005888

約数和(自身を除く): 23729493

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 197, 591, 985, 1367, 1379, 2955, 4101, 4137, 6835, 6895, 9569, 20505, 20685, 28707, 47845, 143535, 269299, 807897, 1346495, 1885093, 4039485, 5655279, 9425465, 28276395]

約数ペア:

[(1, 28276395), (3, 9425465), (5, 5655279), (7, 4039485), (15, 1885093), (21, 1346495), (35, 807897), (105, 269299), (197, 143535), (591, 47845), (985, 28707), (1367, 20685), (1379, 20505), (2955, 9569), (4101, 6895), (4137, 6835)]