28633689

素因数分解:

$3^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{941}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 51546240

約数和(自身を除く): 22912551

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 147, 161, 189, 207, 441, 483, 621, 941, 1127, 1323, 1449, 2823, 3381, 4347, 6587, 8469, 10143, 19761, 21643, 25407, 30429, 46109, 59283, 64929, 138327, 151501, 177849, 194787, 414981, 454503, 584361, 1060507, 1244943, 1363509, 3181521, 4090527, 9544563, 28633689]

約数ペア:

[(1, 28633689), (3, 9544563), (7, 4090527), (9, 3181521), (21, 1363509), (23, 1244943), (27, 1060507), (49, 584361), (63, 454503), (69, 414981), (147, 194787), (161, 177849), (189, 151501), (207, 138327), (441, 64929), (483, 59283), (621, 46109), (941, 30429), (1127, 25407), (1323, 21643), (1449, 19761), (2823, 10143), (3381, 8469), (4347, 6587)]