12988101

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 20791296

約数和(自身を除く): 7803195

約数列:

[1, 3, 7, 21, 31, 71, 93, 213, 217, 281, 497, 651, 843, 1491, 1967, 2201, 5901, 6603, 8711, 15407, 19951, 26133, 46221, 59853, 60977, 139657, 182931, 418971, 618481, 1855443, 4329367, 12988101]

約数ペア:

[(1, 12988101), (3, 4329367), (7, 1855443), (21, 618481), (31, 418971), (71, 182931), (93, 139657), (213, 60977), (217, 59853), (281, 46221), (497, 26133), (651, 19951), (843, 15407), (1491, 8711), (1967, 6603), (2201, 5901)]