180221139

素因数分解:

$3^3\times 7^1\times {\mathrm{953551}}^1$

素因数の和:953567

約数の個数: 16

約数和(自身を含む): 305136640

約数和(自身を除く): 124915501

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 953551, 2860653, 6674857, 8581959, 20024571, 25745877, 60073713, 180221139]

約数ペア:

[(1, 180221139), (3, 60073713), (7, 25745877), (9, 20024571), (21, 8581959), (27, 6674857), (63, 2860653), (189, 953551)]