2121087891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1\times {\mathrm{2063}}^1$

素因数の和:2763

約数の個数: 32

約数和(自身を含む): 3126316032

約数和(自身を除く): 1005228141

約数列:

[1, 3, 13, 39, 41, 123, 533, 643, 1599, 1929, 2063, 6189, 8359, 25077, 26363, 26819, 79089, 80457, 84583, 253749, 342719, 1028157, 1099579, 1326509, 3298737, 3979527, 17244617, 51733851, 54386869, 163160607, 707029297, 2121087891]

約数ペア:

[(1, 2121087891), (3, 707029297), (13, 163160607), (39, 54386869), (41, 51733851), (123, 17244617), (533, 3979527), (643, 3298737), (1599, 1326509), (1929, 1099579), (2063, 1028157), (6189, 342719), (8359, 253749), (25077, 84583), (26363, 80457), (26819, 79089)]