20197527

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15767}}^1$

素因数の和:15838

約数の個数: 16

約数和(自身を含む): 31283712

約数和(自身を除く): 11086185

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15767, 47301, 110369, 331107, 961787, 2885361, 6732509, 20197527]

約数ペア:

[(1, 20197527), (3, 6732509), (7, 2885361), (21, 961787), (61, 331107), (183, 110369), (427, 47301), (1281, 15767)]