81209487

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{4229}}^1$

素因数の和:4442

約数の個数: 16

約数和(自身を含む): 111875040

約数和(自身を除く): 30665553

約数列:

[1, 3, 37, 111, 173, 519, 4229, 6401, 12687, 19203, 156473, 469419, 731617, 2194851, 27069829, 81209487]

約数ペア:

[(1, 81209487), (3, 27069829), (37, 2194851), (111, 731617), (173, 469419), (519, 156473), (4229, 19203), (6401, 12687)]