3968727

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4021}}^1$

素因数の和:4078

約数の個数: 16

約数和(自身を含む): 6177792

約数和(自身を除く): 2209065

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 4021, 12063, 28147, 84441, 188987, 566961, 1322909, 3968727]

約数ペア:

[(1, 3968727), (3, 1322909), (7, 566961), (21, 188987), (47, 84441), (141, 28147), (329, 12063), (987, 4021)]