6987981

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{179}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 12648960

約数和(自身を除く): 5660979

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 169, 179, 231, 273, 429, 507, 537, 1001, 1183, 1253, 1859, 1969, 2327, 3003, 3549, 3759, 5577, 5907, 6981, 13013, 13783, 16289, 25597, 30251, 39039, 41349, 48867, 76791, 90753, 179179, 211757, 332761, 537537, 635271, 998283, 2329327, 6987981]

約数ペア:

[(1, 6987981), (3, 2329327), (7, 998283), (11, 635271), (13, 537537), (21, 332761), (33, 211757), (39, 179179), (77, 90753), (91, 76791), (143, 48867), (169, 41349), (179, 39039), (231, 30251), (273, 25597), (429, 16289), (507, 13783), (537, 13013), (1001, 6981), (1183, 5907), (1253, 5577), (1859, 3759), (1969, 3549), (2327, 3003)]