3991113

素因数分解:

$3^4\times 7^1\times {\mathrm{7039}}^1$

素因数の和:7058

約数の個数: 20

約数和(自身を含む): 6814720

約数和(自身を除く): 2823607

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 7039, 21117, 49273, 63351, 147819, 190053, 443457, 570159, 1330371, 3991113]

約数ペア:

[(1, 3991113), (3, 1330371), (7, 570159), (9, 443457), (21, 190053), (27, 147819), (63, 63351), (81, 49273), (189, 21117), (567, 7039)]