31490667

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1229}}^1$

素因数の和:1324

約数の個数: 32

約数和(自身を含む): 50971200

約数和(自身を除く): 19480533

約数列:

[1, 3, 9, 13, 27, 39, 73, 117, 219, 351, 657, 949, 1229, 1971, 2847, 3687, 8541, 11061, 15977, 25623, 33183, 47931, 89717, 143793, 269151, 431379, 807453, 1166321, 2422359, 3498963, 10496889, 31490667]

約数ペア:

[(1, 31490667), (3, 10496889), (9, 3498963), (13, 2422359), (27, 1166321), (39, 807453), (73, 431379), (117, 269151), (219, 143793), (351, 89717), (657, 47931), (949, 33183), (1229, 25623), (1971, 15977), (2847, 11061), (3687, 8541)]