40491087

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2089}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 67415040

約数和(自身を除く): 26923953

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2089, 2769, 6267, 6461, 14623, 19383, 27157, 43869, 81471, 148319, 190099, 444957, 570297, 1038233, 1928147, 3114699, 5784441, 13497029, 40491087]

約数ペア:

[(1, 40491087), (3, 13497029), (7, 5784441), (13, 3114699), (21, 1928147), (39, 1038233), (71, 570297), (91, 444957), (213, 190099), (273, 148319), (497, 81471), (923, 43869), (1491, 27157), (2089, 19383), (2769, 14623), (6267, 6461)]