72820881

素因数分解:

$3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2633}}^1$

素因数の和:3085

約数の個数: 24

約数和(自身を含む): 120531840

約数和(自身を除く): 47710959

約数列:

[1, 3, 7, 9, 21, 63, 439, 1317, 2633, 3073, 3951, 7899, 9219, 18431, 23697, 27657, 55293, 165879, 1155887, 3467661, 8091209, 10402983, 24273627, 72820881]

約数ペア:

[(1, 72820881), (3, 24273627), (7, 10402983), (9, 8091209), (21, 3467661), (63, 1155887), (439, 165879), (1317, 55293), (2633, 27657), (3073, 23697), (3951, 18431), (7899, 9219)]