15969519

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1987}}^1$

素因数の和:2059

約数の個数: 24

約数和(自身を含む): 24810240

約数和(自身を除く): 8840721

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 1987, 2679, 5961, 8037, 17883, 37753, 93389, 113259, 280167, 339777, 840501, 1774391, 5323173, 15969519]

約数ペア:

[(1, 15969519), (3, 5323173), (9, 1774391), (19, 840501), (47, 339777), (57, 280167), (141, 113259), (171, 93389), (423, 37753), (893, 17883), (1987, 8037), (2679, 5961)]