31950639

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2381}}^1$

素因数の和:2468

約数の個数: 32

約数和(自身を含む): 54881280

約数和(自身を除く): 22930641

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 2381, 4473, 7143, 13419, 16667, 21429, 50001, 64287, 150003, 169051, 450009, 507153, 1183357, 1521459, 3550071, 4564377, 10650213, 31950639]

約数ペア:

[(1, 31950639), (3, 10650213), (7, 4564377), (9, 3550071), (21, 1521459), (27, 1183357), (63, 507153), (71, 450009), (189, 169051), (213, 150003), (497, 64287), (639, 50001), (1491, 21429), (1917, 16667), (2381, 13419), (4473, 7143)]