81270885

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{285161}}^1$

素因数の和:285188

約数の個数: 16

約数和(自身を含む): 136877760

約数和(自身を除く): 55606875

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 285161, 855483, 1425805, 4277415, 5418059, 16254177, 27090295, 81270885]

約数ペア:

[(1, 81270885), (3, 27090295), (5, 16254177), (15, 5418059), (19, 4277415), (57, 1425805), (95, 855483), (285, 285161)]