78161139

素因数分解:

$3^3\times 7^1\times {\mathrm{413551}}^1$

素因数の和:413567

約数の個数: 16

約数和(自身を含む): 132336640

約数和(自身を除く): 54175501

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 413551, 1240653, 2894857, 3721959, 8684571, 11165877, 26053713, 78161139]

約数ペア:

[(1, 78161139), (3, 26053713), (7, 11165877), (9, 8684571), (21, 3721959), (27, 2894857), (63, 1240653), (189, 413551)]