211749711

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{10079}}^1$

素因数の和:10278

約数の個数: 16

約数和(自身を含む): 290304000

約数和(自身を除く): 78554289

約数列:

[1, 3, 47, 141, 149, 447, 7003, 10079, 21009, 30237, 473713, 1421139, 1501771, 4505313, 70583237, 211749711]

約数ペア:

[(1, 211749711), (3, 70583237), (47, 4505313), (141, 1501771), (149, 1421139), (447, 473713), (7003, 30237), (10079, 21009)]