210801933

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{7457}}^1$

素因数の和:7818

約数の個数: 20

約数和(自身を含む): 315846300

約数和(自身を除く): 105044367

約数列:

[1, 3, 9, 27, 81, 349, 1047, 3141, 7457, 9423, 22371, 28269, 67113, 201339, 604017, 2602493, 7807479, 23422437, 70267311, 210801933]

約数ペア:

[(1, 210801933), (3, 70267311), (9, 23422437), (27, 7807479), (81, 2602493), (349, 604017), (1047, 201339), (3141, 67113), (7457, 28269), (9423, 22371)]