201321531

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{146203}}^1$

素因数の和:146232

約数の個数: 20

約数和(自身を含む): 318432312

約数和(自身を除く): 117110781

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 146203, 438609, 1315827, 2485451, 3947481, 7456353, 11842443, 22369059, 67107177, 201321531]

約数ペア:

[(1, 201321531), (3, 67107177), (9, 22369059), (17, 11842443), (27, 7456353), (51, 3947481), (81, 2485451), (153, 1315827), (459, 438609), (1377, 146203)]