3957891

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 6397440

約数和(自身を除く): 2439549

約数列:

[1, 3, 7, 21, 29, 67, 87, 97, 201, 203, 291, 469, 609, 679, 1407, 1943, 2037, 2813, 5829, 6499, 8439, 13601, 19497, 19691, 40803, 45493, 59073, 136479, 188471, 565413, 1319297, 3957891]

約数ペア:

[(1, 3957891), (3, 1319297), (7, 565413), (21, 188471), (29, 136479), (67, 59073), (87, 45493), (97, 40803), (201, 19691), (203, 19497), (291, 13601), (469, 8439), (609, 6499), (679, 5829), (1407, 2813), (1943, 2037)]