13405887

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7127}}^1$

素因数の和:7163

約数の個数: 24

約数和(自身を含む): 22239360

約数和(自身を除く): 8833473

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 7127, 21381, 64143, 78397, 135413, 235191, 406239, 705573, 1218717, 1489543, 4468629, 13405887]

約数ペア:

[(1, 13405887), (3, 4468629), (9, 1489543), (11, 1218717), (19, 705573), (33, 406239), (57, 235191), (99, 135413), (171, 78397), (209, 64143), (627, 21381), (1881, 7127)]