1340237787

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2058737}}^1$

素因数の和:2058778

約数の個数: 16

約数和(自身を含む): 2108147712

約数和(自身を除く): 767909925

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 2058737, 6176211, 14411159, 43233477, 63820847, 191462541, 446745929, 1340237787]

約数ペア:

[(1, 1340237787), (3, 446745929), (7, 191462541), (21, 63820847), (31, 43233477), (93, 14411159), (217, 6176211), (651, 2058737)]