2979639

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{653}}^1$

素因数の和:688

約数の個数: 24

約数和(自身を含む): 4787280

約数和(自身を除く): 1807641

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 653, 1521, 1959, 4563, 5877, 8489, 17631, 25467, 76401, 110357, 229203, 331071, 993213, 2979639]

約数ペア:

[(1, 2979639), (3, 993213), (9, 331071), (13, 229203), (27, 110357), (39, 76401), (117, 25467), (169, 17631), (351, 8489), (507, 5877), (653, 4563), (1521, 1959)]