399726729

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113591}}^1$

素因数の和:113637

約数の個数: 24

約数和(自身を含む): 637932672

約数和(自身を除く): 238205943

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 113591, 340773, 1022319, 1931047, 2612593, 5793141, 7837779, 17379423, 23513337, 44414081, 133242243, 399726729]

約数ペア:

[(1, 399726729), (3, 133242243), (9, 44414081), (17, 23513337), (23, 17379423), (51, 7837779), (69, 5793141), (153, 2612593), (207, 1931047), (391, 1022319), (1173, 340773), (3519, 113591)]