18411452493

素因数分解:

$3^1\times 7^1\times {\mathrm{6781}}^1\times {\mathrm{129293}}^1$

素因数の和:136084

約数の個数: 16

約数和(自身を含む): 28059901056

約数和(自身を除く): 9648448563

約数列:

[1, 3, 7, 21, 6781, 20343, 47467, 129293, 142401, 387879, 905051, 2715153, 876735833, 2630207499, 6137150831, 18411452493]

約数ペア:

[(1, 18411452493), (3, 6137150831), (7, 2630207499), (21, 876735833), (6781, 2715153), (20343, 905051), (47467, 387879), (129293, 142401)]