39881709

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13469}}^1$

素因数の和:13529

約数の個数: 24

約数和(自身を含む): 67242240

約数和(自身を除く): 27360531

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 13469, 40407, 94283, 121221, 282849, 633043, 848547, 1899129, 4431301, 5697387, 13293903, 39881709]

約数ペア:

[(1, 39881709), (3, 13293903), (7, 5697387), (9, 4431301), (21, 1899129), (47, 848547), (63, 633043), (141, 282849), (329, 121221), (423, 94283), (987, 40407), (2961, 13469)]