81948951

素因数分解:

$3^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{2671}}^1$

素因数の和:3171

約数の個数: 24

約数和(自身を含む): 135609344

約数和(自身を除く): 53660393

約数列:

[1, 3, 7, 9, 21, 63, 487, 1461, 2671, 3409, 4383, 8013, 10227, 18697, 24039, 30681, 56091, 168273, 1300777, 3902331, 9105439, 11706993, 27316317, 81948951]

約数ペア:

[(1, 81948951), (3, 27316317), (7, 11706993), (9, 9105439), (21, 3902331), (63, 1300777), (487, 168273), (1461, 56091), (2671, 30681), (3409, 24039), (4383, 18697), (8013, 10227)]