71938377

素因数分解:

$3^2\times 7^1\times {\mathrm{839}}^1\times {\mathrm{1361}}^1$

素因数の和:2213

約数の個数: 24

約数和(自身を含む): 118984320

約数和(自身を除く): 47045943

約数列:

[1, 3, 7, 9, 21, 63, 839, 1361, 2517, 4083, 5873, 7551, 9527, 12249, 17619, 28581, 52857, 85743, 1141879, 3425637, 7993153, 10276911, 23979459, 71938377]

約数ペア:

[(1, 71938377), (3, 23979459), (7, 10276911), (9, 7993153), (21, 3425637), (63, 1141879), (839, 85743), (1361, 52857), (2517, 28581), (4083, 17619), (5873, 12249), (7551, 9527)]