16127505

素因数分解:

$3^4\times 5^1\times {\mathrm{39821}}^1$

素因数の和:39838

約数の個数: 20

約数和(自身を含む): 28910772

約数和(自身を除く): 12783267

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 39821, 119463, 199105, 358389, 597315, 1075167, 1791945, 3225501, 5375835, 16127505]

約数ペア:

[(1, 16127505), (3, 5375835), (5, 3225501), (9, 1791945), (15, 1075167), (27, 597315), (45, 358389), (81, 199105), (135, 119463), (405, 39821)]