213291255

素因数分解:

$3^1\times 5^1\times {\mathrm{3739}}^1\times {\mathrm{3803}}^1$

素因数の和:7550

約数の個数: 16

約数和(自身を含む): 341447040

約数和(自身を除く): 128155785

約数列:

[1, 3, 5, 15, 3739, 3803, 11217, 11409, 18695, 19015, 56085, 57045, 14219417, 42658251, 71097085, 213291255]

約数ペア:

[(1, 213291255), (3, 71097085), (5, 42658251), (15, 14219417), (3739, 57045), (3803, 56085), (11217, 19015), (11409, 18695)]