25645605

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{617}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 43784064

約数和(自身を除く): 18138459

約数列:

[1, 3, 5, 15, 17, 51, 85, 163, 255, 489, 617, 815, 1851, 2445, 2771, 3085, 8313, 9255, 10489, 13855, 31467, 41565, 52445, 100571, 157335, 301713, 502855, 1508565, 1709707, 5129121, 8548535, 25645605]

約数ペア:

[(1, 25645605), (3, 8548535), (5, 5129121), (15, 1709707), (17, 1508565), (51, 502855), (85, 301713), (163, 157335), (255, 100571), (489, 52445), (617, 41565), (815, 31467), (1851, 13855), (2445, 10489), (2771, 9255), (3085, 8313)]