27759915

素因数分解:

$3^4\times 5^1\times {\mathrm{68543}}^1$

素因数の和:68560

約数の個数: 20

約数和(自身を含む): 49762944

約数和(自身を除く): 22003029

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 68543, 205629, 342715, 616887, 1028145, 1850661, 3084435, 5551983, 9253305, 27759915]

約数ペア:

[(1, 27759915), (3, 9253305), (5, 5551983), (9, 3084435), (15, 1850661), (27, 1028145), (45, 616887), (81, 342715), (135, 205629), (405, 68543)]