15889951

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 21427200

約数和(自身を除く): 5537249

約数列:

[1, 7, 11, 17, 61, 77, 119, 187, 199, 427, 671, 1037, 1309, 1393, 2189, 3383, 4697, 7259, 11407, 12139, 15323, 23681, 37213, 79849, 84973, 133529, 206363, 260491, 934703, 1444541, 2269993, 15889951]

約数ペア:

[(1, 15889951), (7, 2269993), (11, 1444541), (17, 934703), (61, 260491), (77, 206363), (119, 133529), (187, 84973), (199, 79849), (427, 37213), (671, 23681), (1037, 15323), (1309, 12139), (1393, 11407), (2189, 7259), (3383, 4697)]