42857787

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{461}}^1$

素因数の和:723

約数の個数: 32

約数和(自身を含む): 69189120

約数和(自身を除く): 26331333

約数列:

[1, 3, 7, 19, 21, 57, 133, 233, 399, 461, 699, 1383, 1631, 3227, 4427, 4893, 8759, 9681, 13281, 26277, 30989, 61313, 92967, 107413, 183939, 322239, 751891, 2040847, 2255673, 6122541, 14285929, 42857787]

約数ペア:

[(1, 42857787), (3, 14285929), (7, 6122541), (19, 2255673), (21, 2040847), (57, 751891), (133, 322239), (233, 183939), (399, 107413), (461, 92967), (699, 61313), (1383, 30989), (1631, 26277), (3227, 13281), (4427, 9681), (4893, 8759)]