27904805

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4391}}^1$

素因数の和:4468

約数の個数: 16

約数和(自身を含む): 35417088

約数和(自身を除く): 7512283

約数列:

[1, 5, 31, 41, 155, 205, 1271, 4391, 6355, 21955, 136121, 180031, 680605, 900155, 5580961, 27904805]

約数ペア:

[(1, 27904805), (5, 5580961), (31, 900155), (41, 680605), (155, 180031), (205, 136121), (1271, 21955), (4391, 6355)]