213475827

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{7477}}^1$

素因数の和:7818

約数の個数: 16

約数和(自身を含む): 294812672

約数和(自身を除く): 81336845

約数列:

[1, 3, 31, 93, 307, 921, 7477, 9517, 22431, 28551, 231787, 695361, 2295439, 6886317, 71158609, 213475827]

約数ペア:

[(1, 213475827), (3, 71158609), (31, 6886317), (93, 2295439), (307, 695361), (921, 231787), (7477, 28551), (9517, 22431)]