1112215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:330

約数の個数: 16

約数和(自身を含む): 1463616

約数和(自身を除く): 351401

約数列:

[1, 5, 13, 65, 71, 241, 355, 923, 1205, 3133, 4615, 15665, 17111, 85555, 222443, 1112215]

約数ペア:

[(1, 1112215), (5, 222443), (13, 85555), (65, 17111), (71, 15665), (241, 4615), (355, 3133), (923, 1205)]