28072515

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{827}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 47056896

約数和(自身を除く): 18984381

約数列:

[1, 3, 5, 15, 31, 73, 93, 155, 219, 365, 465, 827, 1095, 2263, 2481, 4135, 6789, 11315, 12405, 25637, 33945, 60371, 76911, 128185, 181113, 301855, 384555, 905565, 1871501, 5614503, 9357505, 28072515]

約数ペア:

[(1, 28072515), (3, 9357505), (5, 5614503), (15, 1871501), (31, 905565), (73, 384555), (93, 301855), (155, 181113), (219, 128185), (365, 76911), (465, 60371), (827, 33945), (1095, 25637), (2263, 12405), (2481, 11315), (4135, 6789)]