28530663

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 45351936

約数和(自身を除く): 16821273

約数列:

[1, 3, 7, 21, 37, 73, 111, 219, 259, 503, 511, 777, 1509, 1533, 2701, 3521, 8103, 10563, 18611, 18907, 36719, 55833, 56721, 110157, 130277, 257033, 390831, 771099, 1358603, 4075809, 9510221, 28530663]

約数ペア:

[(1, 28530663), (3, 9510221), (7, 4075809), (21, 1358603), (37, 771099), (73, 390831), (111, 257033), (219, 130277), (259, 110157), (503, 56721), (511, 55833), (777, 36719), (1509, 18907), (1533, 18611), (2701, 10563), (3521, 8103)]