28919709

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{35311}}^1$

素因数の和:35337

約数の個数: 24

約数和(自身を含む): 51414272

約数和(自身を除く): 22494563

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 35311, 105933, 247177, 317799, 459043, 741531, 1377129, 2224593, 3213301, 4131387, 9639903, 28919709]

約数ペア:

[(1, 28919709), (3, 9639903), (7, 4131387), (9, 3213301), (13, 2224593), (21, 1377129), (39, 741531), (63, 459043), (91, 317799), (117, 247177), (273, 105933), (819, 35311)]