30790641

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 48273408

約数和(自身を除く): 17482767

約数列:

[1, 3, 7, 21, 71, 107, 193, 213, 321, 497, 579, 749, 1351, 1491, 2247, 4053, 7597, 13703, 20651, 22791, 41109, 53179, 61953, 95921, 144557, 159537, 287763, 433671, 1466221, 4398663, 10263547, 30790641]

約数ペア:

[(1, 30790641), (3, 10263547), (7, 4398663), (21, 1466221), (71, 433671), (107, 287763), (193, 159537), (213, 144557), (321, 95921), (497, 61953), (579, 53179), (749, 41109), (1351, 22791), (1491, 20651), (2247, 13703), (4053, 7597)]