27881679

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{42829}}^1$

素因数の和:42870

約数の個数: 16

約数和(自身を含む): 43857920

約数和(自身を除く): 15976241

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 42829, 128487, 299803, 899409, 1327699, 3983097, 9293893, 27881679]

約数ペア:

[(1, 27881679), (3, 9293893), (7, 3983097), (21, 1327699), (31, 899409), (93, 299803), (217, 128487), (651, 42829)]