25672521

素因数分解:

$3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 40672000

約数和(自身を除く): 14999479

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 343, 409, 427, 1029, 1227, 1281, 2863, 2989, 8589, 8967, 20041, 20923, 24949, 60123, 62769, 74847, 140287, 174643, 420861, 523929, 1222501, 3667503, 8557507, 25672521]

約数ペア:

[(1, 25672521), (3, 8557507), (7, 3667503), (21, 1222501), (49, 523929), (61, 420861), (147, 174643), (183, 140287), (343, 74847), (409, 62769), (427, 60123), (1029, 24949), (1227, 20923), (1281, 20041), (2863, 8967), (2989, 8589)]