1851993

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1439}}^1$

素因数の和:1469

約数の個数: 24

約数和(自身を含む): 3144960

約数和(自身を除く): 1292967

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 1439, 4317, 12951, 15829, 18707, 47487, 56121, 142461, 168363, 205777, 617331, 1851993]

約数ペア:

[(1, 1851993), (3, 617331), (9, 205777), (11, 168363), (13, 142461), (33, 56121), (39, 47487), (99, 18707), (117, 15829), (143, 12951), (429, 4317), (1287, 1439)]