2198091

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{787}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 3593280

約数和(自身を除く): 1395189

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 787, 931, 2361, 2793, 5509, 14953, 16527, 38563, 44859, 104671, 115689, 314013, 732697, 2198091]

約数ペア:

[(1, 2198091), (3, 732697), (7, 314013), (19, 115689), (21, 104671), (49, 44859), (57, 38563), (133, 16527), (147, 14953), (399, 5509), (787, 2793), (931, 2361)]