218243319

素因数分解:

$3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{33203}}^1$

素因数の和:33526

約数の個数: 16

約数和(自身を含む): 333633792

約数和(自身を除く): 115390473

約数列:

[1, 3, 7, 21, 313, 939, 2191, 6573, 33203, 99609, 232421, 697263, 10392539, 31177617, 72747773, 218243319]

約数ペア:

[(1, 218243319), (3, 72747773), (7, 31177617), (21, 10392539), (313, 697263), (939, 232421), (2191, 99609), (6573, 33203)]