39997287

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{983}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 65180160

約数和(自身を除く): 25182873

約数列:

[1, 3, 9, 11, 27, 33, 99, 137, 297, 411, 983, 1233, 1507, 2949, 3699, 4521, 8847, 10813, 13563, 26541, 32439, 40689, 97317, 134671, 291951, 404013, 1212039, 1481381, 3636117, 4444143, 13332429, 39997287]

約数ペア:

[(1, 39997287), (3, 13332429), (9, 4444143), (11, 3636117), (27, 1481381), (33, 1212039), (99, 404013), (137, 291951), (297, 134671), (411, 97317), (983, 40689), (1233, 32439), (1507, 26541), (2949, 13563), (3699, 10813), (4521, 8847)]