28538445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4721}}^1$

素因数の和:4773

約数の個数: 32

約数和(自身を含む): 50770944

約数和(自身を除く): 22232499

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 4721, 6045, 14163, 23605, 61373, 70815, 146351, 184119, 306865, 439053, 731755, 920595, 1902563, 2195265, 5707689, 9512815, 28538445]

約数ペア:

[(1, 28538445), (3, 9512815), (5, 5707689), (13, 2195265), (15, 1902563), (31, 920595), (39, 731755), (65, 439053), (93, 306865), (155, 184119), (195, 146351), (403, 70815), (465, 61373), (1209, 23605), (2015, 14163), (4721, 6045)]