81147870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{901643}}^1$

素因数の和:901656

約数の個数: 24

約数和(自身を含む): 210984696

約数和(自身を除く): 129836826

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 901643, 1803286, 2704929, 4508215, 5409858, 8114787, 9016430, 13524645, 16229574, 27049290, 40573935, 81147870]

約数ペア:

[(1, 81147870), (2, 40573935), (3, 27049290), (5, 16229574), (6, 13524645), (9, 9016430), (10, 8114787), (15, 5409858), (18, 4508215), (30, 2704929), (45, 1803286), (90, 901643)]