2787165

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 4870008

約数和(自身を除く): 2082843

約数列:

[1, 3, 5, 9, 15, 45, 241, 257, 723, 771, 1205, 1285, 2169, 2313, 3615, 3855, 10845, 11565, 61937, 185811, 309685, 557433, 929055, 2787165]

約数ペア:

[(1, 2787165), (3, 929055), (5, 557433), (9, 309685), (15, 185811), (45, 61937), (241, 11565), (257, 10845), (723, 3855), (771, 3615), (1205, 2313), (1285, 2169)]