76878315

素因数分解:

$3^4\times 5^1\times {\mathrm{189823}}^1$

素因数の和:189840

約数の個数: 20

約数和(自身を含む): 137812224

約数和(自身を除く): 60933909

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 189823, 569469, 949115, 1708407, 2847345, 5125221, 8542035, 15375663, 25626105, 76878315]

約数ペア:

[(1, 76878315), (3, 25626105), (5, 15375663), (9, 8542035), (15, 5125221), (27, 2847345), (45, 1708407), (81, 949115), (135, 569469), (405, 189823)]