1887125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:533

約数の個数: 16

約数和(自身を含む): 2436096

約数和(自身を除く): 548971

約数列:

[1, 5, 25, 31, 125, 155, 487, 775, 2435, 3875, 12175, 15097, 60875, 75485, 377425, 1887125]

約数ペア:

[(1, 1887125), (5, 377425), (25, 75485), (31, 60875), (125, 15097), (155, 12175), (487, 3875), (775, 2435)]