27980135

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1861}}^1$

素因数の和:1994

約数の個数: 16

約数和(自身を含む): 35035392

約数和(自身を除く): 7055257

約数列:

[1, 5, 31, 97, 155, 485, 1861, 3007, 9305, 15035, 57691, 180517, 288455, 902585, 5596027, 27980135]

約数ペア:

[(1, 27980135), (5, 5596027), (31, 902585), (97, 288455), (155, 180517), (485, 57691), (1861, 15035), (3007, 9305)]