1566345921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{5939}}^1$

素因数の和:6629

約数の個数: 32

約数和(自身を含む): 2516659200

約数和(自身を除く): 950313279

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 661, 1983, 4627, 5939, 12559, 13881, 17817, 37677, 41573, 87913, 112841, 124719, 263739, 338523, 789887, 2369661, 3925679, 11777037, 27479753, 74587901, 82439259, 223763703, 522115307, 1566345921]

約数ペア:

[(1, 1566345921), (3, 522115307), (7, 223763703), (19, 82439259), (21, 74587901), (57, 27479753), (133, 11777037), (399, 3925679), (661, 2369661), (1983, 789887), (4627, 338523), (5939, 263739), (12559, 124719), (13881, 112841), (17817, 87913), (37677, 41573)]