397972993

素因数分解:

${\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{15737}}^1$

素因数の和:15789

約数の個数: 16

約数和(自身を含む): 460808640

約数和(自身を除く): 62835647

約数列:

[1, 11, 19, 121, 209, 1331, 2299, 15737, 25289, 173107, 299003, 1904177, 3289033, 20945947, 36179363, 397972993]

約数ペア:

[(1, 397972993), (11, 36179363), (19, 20945947), (121, 3289033), (209, 1904177), (1331, 299003), (2299, 173107), (15737, 25289)]