27840865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4003}}^1$

素因数の和:4128

約数の個数: 16

約数和(自身を含む): 36324288

約数和(自身を除く): 8483423

約数列:

[1, 5, 13, 65, 107, 535, 1391, 4003, 6955, 20015, 52039, 260195, 428321, 2141605, 5568173, 27840865]

約数ペア:

[(1, 27840865), (5, 5568173), (13, 2141605), (65, 428321), (107, 260195), (535, 52039), (1391, 20015), (4003, 6955)]