68420905

素因数分解:

$5^1\times 7^2\times {\mathrm{279269}}^1$

素因数の和:279288

約数の個数: 12

約数和(自身を含む): 95510340

約数和(自身を除く): 27089435

約数列:

[1, 5, 7, 35, 49, 245, 279269, 1396345, 1954883, 9774415, 13684181, 68420905]

約数ペア:

[(1, 68420905), (5, 13684181), (7, 9774415), (35, 1954883), (49, 1396345), (245, 279269)]