688656087

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{52807}}^1$

素因数の和:52849

約数の個数: 40

約数和(自身を含む): 1226835456

約数和(自身を除く): 538179369

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1863, 4347, 13041, 52807, 158421, 369649, 475263, 1108947, 1214561, 1425789, 3326841, 3643683, 4277367, 8501927, 9980523, 10931049, 25505781, 29941569, 32793147, 76517343, 98379441, 229552029, 688656087]

約数ペア:

[(1, 688656087), (3, 229552029), (7, 98379441), (9, 76517343), (21, 32793147), (23, 29941569), (27, 25505781), (63, 10931049), (69, 9980523), (81, 8501927), (161, 4277367), (189, 3643683), (207, 3326841), (483, 1425789), (567, 1214561), (621, 1108947), (1449, 475263), (1863, 369649), (4347, 158421), (13041, 52807)]