30981897

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1543}}^1$

素因数の和:1669

約数の個数: 24

約数和(自身を含む): 47209344

約数和(自身を除く): 16227447

約数列:

[1, 3, 9, 23, 69, 97, 207, 291, 873, 1543, 2231, 4629, 6693, 13887, 20079, 35489, 106467, 149671, 319401, 449013, 1347039, 3442433, 10327299, 30981897]

約数ペア:

[(1, 30981897), (3, 10327299), (9, 3442433), (23, 1347039), (69, 449013), (97, 319401), (207, 149671), (291, 106467), (873, 35489), (1543, 20079), (2231, 13887), (4629, 6693)]