1638429

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1036

約数の個数: 16

約数和(自身を含む): 2409792

約数和(自身を除く): 771363

約数列:

[1, 3, 13, 39, 43, 129, 559, 977, 1677, 2931, 12701, 38103, 42011, 126033, 546143, 1638429]

約数ペア:

[(1, 1638429), (3, 546143), (13, 126033), (39, 42011), (43, 38103), (129, 12701), (559, 2931), (977, 1677)]