12723345

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1193}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 22924800

約数和(自身を除く): 10201455

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 395, 711, 1185, 1193, 2133, 3555, 3579, 5965, 10665, 10737, 17895, 32211, 53685, 94247, 161055, 282741, 471235, 848223, 1413705, 2544669, 4241115, 12723345]

約数ペア:

[(1, 12723345), (3, 4241115), (5, 2544669), (9, 1413705), (15, 848223), (27, 471235), (45, 282741), (79, 161055), (135, 94247), (237, 53685), (395, 32211), (711, 17895), (1185, 10737), (1193, 10665), (2133, 5965), (3555, 3579)]