53921021

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 69439680

約数和(自身を除く): 15518659

約数列:

[1, 7, 11, 49, 71, 77, 497, 539, 781, 1409, 3479, 5467, 9863, 15499, 38269, 69041, 100039, 108493, 700273, 759451, 1100429, 4901911, 7703003, 53921021]

約数ペア:

[(1, 53921021), (7, 7703003), (11, 4901911), (49, 1100429), (71, 759451), (77, 700273), (497, 108493), (539, 100039), (781, 69041), (1409, 38269), (3479, 15499), (5467, 9863)]