28275165

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1607}}^1$

素因数の和:1658

約数の個数: 48

約数和(自身を含む): 54183168

約数和(自身を除く): 25908003

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1173, 1607, 1955, 3519, 4821, 5865, 8035, 14463, 17595, 24105, 27319, 36961, 72315, 81957, 110883, 136595, 184805, 245871, 332649, 409785, 554415, 628337, 1229355, 1663245, 1885011, 3141685, 5655033, 9425055, 28275165]

約数ペア:

[(1, 28275165), (3, 9425055), (5, 5655033), (9, 3141685), (15, 1885011), (17, 1663245), (23, 1229355), (45, 628337), (51, 554415), (69, 409785), (85, 332649), (115, 245871), (153, 184805), (207, 136595), (255, 110883), (345, 81957), (391, 72315), (765, 36961), (1035, 27319), (1173, 24105), (1607, 17595), (1955, 14463), (3519, 8035), (4821, 5865)]