210331121

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11059}}^1$

素因数の和:11109

約数の個数: 32

約数和(自身を含む): 297292800

約数和(自身を除く): 86961679

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 1001, 1463, 1729, 2717, 11059, 19019, 77413, 121649, 143767, 210121, 851543, 1006369, 1470847, 1581437, 2311331, 2731573, 11070059, 16179317, 19121011, 30047303, 210331121]

約数ペア:

[(1, 210331121), (7, 30047303), (11, 19121011), (13, 16179317), (19, 11070059), (77, 2731573), (91, 2311331), (133, 1581437), (143, 1470847), (209, 1006369), (247, 851543), (1001, 210121), (1463, 143767), (1729, 121649), (2717, 77413), (11059, 19019)]