64420821

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{3163}}^1$

素因数の和:3273

約数の個数: 24

約数和(自身を含む): 97400576

約数和(自身を除く): 32979755

約数列:

[1, 3, 9, 31, 73, 93, 219, 279, 657, 2263, 3163, 6789, 9489, 20367, 28467, 98053, 230899, 294159, 692697, 882477, 2078091, 7157869, 21473607, 64420821]

約数ペア:

[(1, 64420821), (3, 21473607), (9, 7157869), (31, 2078091), (73, 882477), (93, 692697), (219, 294159), (279, 230899), (657, 98053), (2263, 28467), (3163, 20367), (6789, 9489)]