28517085

素因数分解:

$3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8681}}^1$

素因数の和:8765

約数の個数: 24

約数和(自身を含む): 50112504

約数和(自身を除く): 21595419

約数列:

[1, 3, 5, 9, 15, 45, 73, 219, 365, 657, 1095, 3285, 8681, 26043, 43405, 78129, 130215, 390645, 633713, 1901139, 3168565, 5703417, 9505695, 28517085]

約数ペア:

[(1, 28517085), (3, 9505695), (5, 5703417), (9, 3168565), (15, 1901139), (45, 633713), (73, 390645), (219, 130215), (365, 78129), (657, 43405), (1095, 26043), (3285, 8681)]