3990609

素因数分解:

$3^2\times 7^2\times {\mathrm{9049}}^1$

素因数の和:9069

約数の個数: 18

約数和(自身を含む): 6706050

約数和(自身を除く): 2715441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 9049, 27147, 63343, 81441, 190029, 443401, 570087, 1330203, 3990609]

約数ペア:

[(1, 3990609), (3, 1330203), (7, 570087), (9, 443401), (21, 190029), (49, 81441), (63, 63343), (147, 27147), (441, 9049)]