31293213

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{1103}}^1$

素因数の和:1313

約数の個数: 24

約数和(自身を含む): 48832128

約数和(自身を除く): 17538915

約数列:

[1, 3, 7, 21, 49, 147, 193, 579, 1103, 1351, 3309, 4053, 7721, 9457, 23163, 28371, 54047, 162141, 212879, 638637, 1490153, 4470459, 10431071, 31293213]

約数ペア:

[(1, 31293213), (3, 10431071), (7, 4470459), (21, 1490153), (49, 638637), (147, 212879), (193, 162141), (579, 54047), (1103, 28371), (1351, 23163), (3309, 9457), (4053, 7721)]