80438481

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1103}}^1$

素因数の和:1222

約数の個数: 32

約数和(自身を含む): 124177920

約数和(自身を除く): 43739439

約数列:

[1, 3, 9, 27, 37, 73, 111, 219, 333, 657, 999, 1103, 1971, 2701, 3309, 8103, 9927, 24309, 29781, 40811, 72927, 80519, 122433, 241557, 367299, 724671, 1101897, 2174013, 2979203, 8937609, 26812827, 80438481]

約数ペア:

[(1, 80438481), (3, 26812827), (9, 8937609), (27, 2979203), (37, 2174013), (73, 1101897), (111, 724671), (219, 367299), (333, 241557), (657, 122433), (999, 80519), (1103, 72927), (1971, 40811), (2701, 29781), (3309, 24309), (8103, 9927)]