25128321

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1721}}^1$

素因数の和:1912

約数の個数: 16

約数和(自身を含む): 34825728

約数和(自身を除く): 9697407

約数列:

[1, 3, 31, 93, 157, 471, 1721, 4867, 5163, 14601, 53351, 160053, 270197, 810591, 8376107, 25128321]

約数ペア:

[(1, 25128321), (3, 8376107), (31, 810591), (93, 270197), (157, 160053), (471, 53351), (1721, 14601), (4867, 5163)]