1238769

素因数分解:

$3^2\times 7^2\times {\mathrm{53}}^2$

素因数の和:126

約数の個数: 27

約数和(自身を含む): 2121483

約数和(自身を除く): 882714

約数列:

[1, 3, 7, 9, 21, 49, 53, 63, 147, 159, 371, 441, 477, 1113, 2597, 2809, 3339, 7791, 8427, 19663, 23373, 25281, 58989, 137641, 176967, 412923, 1238769]

約数ペア:

[(1, 1238769), (3, 412923), (7, 176967), (9, 137641), (21, 58989), (49, 25281), (53, 23373), (63, 19663), (147, 8427), (159, 7791), (371, 3339), (441, 2809), (477, 2597)]