2987505

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{337}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 5220072

約数和(自身を除く): 2232567

約数列:

[1, 3, 5, 9, 15, 45, 197, 337, 591, 985, 1011, 1685, 1773, 2955, 3033, 5055, 8865, 15165, 66389, 199167, 331945, 597501, 995835, 2987505]

約数ペア:

[(1, 2987505), (3, 995835), (5, 597501), (9, 331945), (15, 199167), (45, 66389), (197, 15165), (337, 8865), (591, 5055), (985, 3033), (1011, 2955), (1685, 1773)]