12001405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10861}}^1$

素因数の和:10896

約数の個数: 16

約数和(自身を含む): 16423344

約数和(自身を除く): 4421939

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 10861, 54305, 141193, 184637, 705965, 923185, 2400281, 12001405]

約数ペア:

[(1, 12001405), (5, 2400281), (13, 923185), (17, 705965), (65, 184637), (85, 141193), (221, 54305), (1105, 10861)]