16668639

素因数分解:

$3^3\times {\mathrm{13}}^3\times {\mathrm{281}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 26846400

約数和(自身を除く): 10177761

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 281, 351, 507, 843, 1521, 2197, 2529, 3653, 4563, 6591, 7587, 10959, 19773, 32877, 47489, 59319, 98631, 142467, 427401, 617357, 1282203, 1852071, 5556213, 16668639]

約数ペア:

[(1, 16668639), (3, 5556213), (9, 1852071), (13, 1282203), (27, 617357), (39, 427401), (117, 142467), (169, 98631), (281, 59319), (351, 47489), (507, 32877), (843, 19773), (1521, 10959), (2197, 7587), (2529, 6591), (3653, 4563)]