1285286859

素因数分解:

$3^4\times {\mathrm{2017}}^1\times {\mathrm{7867}}^1$

素因数の和:9896

約数の個数: 20

約数和(自身を含む): 1921192504

約数和(自身を除く): 635905645

約数列:

[1, 3, 9, 27, 81, 2017, 6051, 7867, 18153, 23601, 54459, 70803, 163377, 212409, 637227, 15867739, 47603217, 142809651, 428428953, 1285286859]

約数ペア:

[(1, 1285286859), (3, 428428953), (9, 142809651), (27, 47603217), (81, 15867739), (2017, 637227), (6051, 212409), (7867, 163377), (18153, 70803), (23601, 54459)]