13871817

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{4177}}^1$

素因数の和:4230

約数の個数: 20

約数和(自身を含む): 21232596

約数和(自身を除く): 7360779

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 4177, 12531, 37593, 112779, 171257, 338337, 513771, 1541313, 4623939, 13871817]

約数ペア:

[(1, 13871817), (3, 4623939), (9, 1541313), (27, 513771), (41, 338337), (81, 171257), (123, 112779), (369, 37593), (1107, 12531), (3321, 4177)]