205087185

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{74713}}^1$

素因数の和:74785

約数の個数: 24

約数和(自身を含む): 361316904

約数和(自身を除く): 156229719

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 74713, 224139, 373565, 672417, 1120695, 3362085, 4557493, 13672479, 22787465, 41017437, 68362395, 205087185]

約数ペア:

[(1, 205087185), (3, 68362395), (5, 41017437), (9, 22787465), (15, 13672479), (45, 4557493), (61, 3362085), (183, 1120695), (305, 672417), (549, 373565), (915, 224139), (2745, 74713)]