3979367049

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{321721}}^1$

素因数の和:321781

約数の個数: 32

約数和(自身を含む): 6588866560

約数和(自身を除く): 2609499511

約数列:

[1, 3, 7, 19, 21, 31, 57, 93, 133, 217, 399, 589, 651, 1767, 4123, 12369, 321721, 965163, 2252047, 6112699, 6756141, 9973351, 18338097, 29920053, 42788893, 69813457, 128366679, 189493669, 209440371, 568481007, 1326455683, 3979367049]

約数ペア:

[(1, 3979367049), (3, 1326455683), (7, 568481007), (19, 209440371), (21, 189493669), (31, 128366679), (57, 69813457), (93, 42788893), (133, 29920053), (217, 18338097), (399, 9973351), (589, 6756141), (651, 6112699), (1767, 2252047), (4123, 965163), (12369, 321721)]