42490707

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 68851200

約数和(自身を除く): 26360493

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 327, 399, 763, 977, 2071, 2289, 2931, 6213, 6839, 14497, 18563, 20517, 43491, 55689, 106493, 129941, 319479, 389823, 745451, 2023367, 2236353, 6070101, 14163569, 42490707]

約数ペア:

[(1, 42490707), (3, 14163569), (7, 6070101), (19, 2236353), (21, 2023367), (57, 745451), (109, 389823), (133, 319479), (327, 129941), (399, 106493), (763, 55689), (977, 43491), (2071, 20517), (2289, 18563), (2931, 14497), (6213, 6839)]