12921657

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{8429}}^1$

素因数の和:8512

約数の個数: 16

約数和(自身を含む): 19962240

約数和(自身を除く): 7040583

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 8429, 25287, 59003, 177009, 615317, 1845951, 4307219, 12921657]

約数ペア:

[(1, 12921657), (3, 4307219), (7, 1845951), (21, 615317), (73, 177009), (219, 59003), (511, 25287), (1533, 8429)]