291232137

素因数分解:

$3^1\times 7^2\times {\mathrm{1279}}^1\times {\mathrm{1549}}^1$

素因数の和:2845

約数の個数: 24

約数和(自身を含む): 452352000

約数和(自身を除く): 161119863

約数列:

[1, 3, 7, 21, 49, 147, 1279, 1549, 3837, 4647, 8953, 10843, 26859, 32529, 62671, 75901, 188013, 227703, 1981171, 5943513, 13868197, 41604591, 97077379, 291232137]

約数ペア:

[(1, 291232137), (3, 97077379), (7, 41604591), (21, 13868197), (49, 5943513), (147, 1981171), (1279, 227703), (1549, 188013), (3837, 75901), (4647, 62671), (8953, 32529), (10843, 26859)]