672993

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 1043328

約数和(自身を除く): 370335

約数列:

[1, 3, 9, 37, 43, 47, 111, 129, 141, 333, 387, 423, 1591, 1739, 2021, 4773, 5217, 6063, 14319, 15651, 18189, 74777, 224331, 672993]

約数ペア:

[(1, 672993), (3, 224331), (9, 74777), (37, 18189), (43, 15651), (47, 14319), (111, 6063), (129, 5217), (141, 4773), (333, 2021), (387, 1739), (423, 1591)]