155805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:85

約数の個数: 32

約数和(自身を含む): 290304

約数和(自身を除く): 134499

約数列:

[1, 3, 5, 13, 15, 17, 39, 47, 51, 65, 85, 141, 195, 221, 235, 255, 611, 663, 705, 799, 1105, 1833, 2397, 3055, 3315, 3995, 9165, 10387, 11985, 31161, 51935, 155805]

約数ペア:

[(1, 155805), (3, 51935), (5, 31161), (13, 11985), (15, 10387), (17, 9165), (39, 3995), (47, 3315), (51, 3055), (65, 2397), (85, 1833), (141, 1105), (195, 799), (221, 705), (235, 663), (255, 611)]