31551993

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{6781}}^1$

素因数の和:6845

約数の個数: 24

約数和(自身を含む): 50783616

約数和(自身を除く): 19231623

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 1551, 4653, 6781, 20343, 61029, 74591, 223773, 318707, 671319, 956121, 2868363, 3505777, 10517331, 31551993]

約数ペア:

[(1, 31551993), (3, 10517331), (9, 3505777), (11, 2868363), (33, 956121), (47, 671319), (99, 318707), (141, 223773), (423, 74591), (517, 61029), (1551, 20343), (4653, 6781)]