3997581

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 6589440

約数和(自身を除く): 2591859

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 233, 301, 399, 699, 817, 903, 1631, 2451, 4427, 4893, 5719, 10019, 13281, 17157, 30057, 30989, 70133, 92967, 190361, 210399, 571083, 1332527, 3997581]

約数ペア:

[(1, 3997581), (3, 1332527), (7, 571083), (19, 210399), (21, 190361), (43, 92967), (57, 70133), (129, 30989), (133, 30057), (233, 17157), (301, 13281), (399, 10019), (699, 5719), (817, 4893), (903, 4427), (1631, 2451)]