25447989

素因数分解:

$3^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1201}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 38848640

約数和(自身を除く): 13400651

約数列:

[1, 3, 7, 21, 1009, 1201, 3027, 3603, 7063, 8407, 21189, 25221, 1211809, 3635427, 8482663, 25447989]

約数ペア:

[(1, 25447989), (3, 8482663), (7, 3635427), (21, 1211809), (1009, 25221), (1201, 21189), (3027, 8407), (3603, 7063)]