25696197

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18661}}^1$

素因数の和:18690

約数の個数: 20

約数和(自身を含む): 40645836

約数和(自身を除く): 14949639

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18661, 55983, 167949, 317237, 503847, 951711, 1511541, 2855133, 8565399, 25696197]

約数ペア:

[(1, 25696197), (3, 8565399), (9, 2855133), (17, 1511541), (27, 951711), (51, 503847), (81, 317237), (153, 167949), (459, 55983), (1377, 18661)]