1273657

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:181

約数の個数: 24

約数和(自身を含む): 1723680

約数和(自身を除く): 450023

約数列:

[1, 7, 11, 17, 49, 77, 119, 139, 187, 539, 833, 973, 1309, 1529, 2363, 6811, 9163, 10703, 16541, 25993, 74921, 115787, 181951, 1273657]

約数ペア:

[(1, 1273657), (7, 181951), (11, 115787), (17, 74921), (49, 25993), (77, 16541), (119, 10703), (139, 9163), (187, 6811), (539, 2363), (833, 1529), (973, 1309)]