2781285

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 5080320

約数和(自身を除く): 2299035

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 839, 1105, 2517, 3315, 4195, 10907, 12585, 14263, 32721, 42789, 54535, 71315, 163605, 185419, 213945, 556257, 927095, 2781285]

約数ペア:

[(1, 2781285), (3, 927095), (5, 556257), (13, 213945), (15, 185419), (17, 163605), (39, 71315), (51, 54535), (65, 42789), (85, 32721), (195, 14263), (221, 12585), (255, 10907), (663, 4195), (839, 3315), (1105, 2517)]