15081213

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{193}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 23484864

約数和(自身を除く): 8403651

約数列:

[1, 3, 7, 21, 61, 183, 193, 427, 579, 1281, 1351, 3721, 4053, 11163, 11773, 26047, 35319, 78141, 82411, 247233, 718153, 2154459, 5027071, 15081213]

約数ペア:

[(1, 15081213), (3, 5027071), (7, 2154459), (21, 718153), (61, 247233), (183, 82411), (193, 78141), (427, 35319), (579, 26047), (1281, 11773), (1351, 11163), (3721, 4053)]