1247385

素因数分解:

$3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 2013696

約数和(自身を除く): 766311

約数列:

[1, 3, 5, 15, 137, 411, 607, 685, 1821, 2055, 3035, 9105, 83159, 249477, 415795, 1247385]

約数ペア:

[(1, 1247385), (3, 415795), (5, 249477), (15, 83159), (137, 9105), (411, 3035), (607, 2055), (685, 1821)]