289851303

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{7937}}^1$

素因数の和:8031

約数の個数: 32

約数和(自身を含む): 463325184

約数和(自身を除く): 173473881

約数列:

[1, 3, 7, 21, 37, 47, 111, 141, 259, 329, 777, 987, 1739, 5217, 7937, 12173, 23811, 36519, 55559, 166677, 293669, 373039, 881007, 1119117, 2055683, 2611273, 6167049, 7833819, 13802443, 41407329, 96617101, 289851303]

約数ペア:

[(1, 289851303), (3, 96617101), (7, 41407329), (21, 13802443), (37, 7833819), (47, 6167049), (111, 2611273), (141, 2055683), (259, 1119117), (329, 881007), (777, 373039), (987, 293669), (1739, 166677), (5217, 55559), (7937, 36519), (12173, 23811)]