28201785

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{60649}}^1$

素因数の和:60688

約数の個数: 16

約数和(自身を含む): 46579200

約数和(自身を除く): 18377415

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 60649, 181947, 303245, 909735, 1880119, 5640357, 9400595, 28201785]

約数ペア:

[(1, 28201785), (3, 9400595), (5, 5640357), (15, 1880119), (31, 909735), (93, 303245), (155, 181947), (465, 60649)]