11921289

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{509}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 16434240

約数和(自身を除く): 4512951

約数列:

[1, 3, 37, 111, 211, 509, 633, 1527, 7807, 18833, 23421, 56499, 107399, 322197, 3973763, 11921289]

約数ペア:

[(1, 11921289), (3, 3973763), (37, 322197), (111, 107399), (211, 56499), (509, 23421), (633, 18833), (1527, 7807)]