27239855

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:207

約数の個数: 32

約数和(自身を含む): 35616768

約数和(自身を除く): 8376913

約数列:

[1, 5, 31, 43, 61, 67, 155, 215, 305, 335, 1333, 1891, 2077, 2623, 2881, 4087, 6665, 9455, 10385, 13115, 14405, 20435, 81313, 89311, 126697, 175741, 406565, 446555, 633485, 878705, 5447971, 27239855]

約数ペア:

[(1, 27239855), (5, 5447971), (31, 878705), (43, 633485), (61, 446555), (67, 406565), (155, 175741), (215, 126697), (305, 89311), (335, 81313), (1333, 20435), (1891, 14405), (2077, 13115), (2623, 10385), (2881, 9455), (4087, 6665)]