15940791

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1277}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 24588720

約数和(自身を除く): 8647929

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 657, 1277, 1387, 3831, 4161, 11493, 12483, 24263, 72789, 93221, 218367, 279663, 838989, 1771199, 5313597, 15940791]

約数ペア:

[(1, 15940791), (3, 5313597), (9, 1771199), (19, 838989), (57, 279663), (73, 218367), (171, 93221), (219, 72789), (657, 24263), (1277, 12483), (1387, 11493), (3831, 4161)]