1997115

素因数分解:

$3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 3215616

約数和(自身を除く): 1218501

約数列:

[1, 3, 5, 15, 211, 631, 633, 1055, 1893, 3155, 3165, 9465, 133141, 399423, 665705, 1997115]

約数ペア:

[(1, 1997115), (3, 665705), (5, 399423), (15, 133141), (211, 9465), (631, 3165), (633, 3155), (1055, 1893)]