28883253

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 45351936

約数和(自身を除く): 16468683

約数列:

[1, 3, 7, 21, 73, 83, 219, 227, 249, 511, 581, 681, 1533, 1589, 1743, 4767, 6059, 16571, 18177, 18841, 42413, 49713, 56523, 115997, 127239, 131887, 347991, 395661, 1375393, 4126179, 9627751, 28883253]

約数ペア:

[(1, 28883253), (3, 9627751), (7, 4126179), (21, 1375393), (73, 395661), (83, 347991), (219, 131887), (227, 127239), (249, 115997), (511, 56523), (581, 49713), (681, 42413), (1533, 18841), (1589, 18177), (1743, 16571), (4767, 6059)]