25130745

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 45641232

約数和(自身を除く): 20510487

約数列:

[1, 3, 5, 9, 15, 41, 45, 53, 123, 159, 205, 257, 265, 369, 477, 615, 771, 795, 1285, 1845, 2173, 2313, 2385, 3855, 6519, 10537, 10865, 11565, 13621, 19557, 31611, 32595, 40863, 52685, 68105, 94833, 97785, 122589, 158055, 204315, 474165, 558461, 612945, 1675383, 2792305, 5026149, 8376915, 25130745]

約数ペア:

[(1, 25130745), (3, 8376915), (5, 5026149), (9, 2792305), (15, 1675383), (41, 612945), (45, 558461), (53, 474165), (123, 204315), (159, 158055), (205, 122589), (257, 97785), (265, 94833), (369, 68105), (477, 52685), (615, 40863), (771, 32595), (795, 31611), (1285, 19557), (1845, 13621), (2173, 11565), (2313, 10865), (2385, 10537), (3855, 6519)]