16887405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1579}}^1$

素因数の和:1641

約数の個数: 32

約数和(自身を含む): 29122560

約数和(自身を除く): 12235155

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 1579, 2139, 3565, 4737, 7895, 10695, 23685, 36317, 48949, 108951, 146847, 181585, 244745, 544755, 734235, 1125827, 3377481, 5629135, 16887405]

約数ペア:

[(1, 16887405), (3, 5629135), (5, 3377481), (15, 1125827), (23, 734235), (31, 544755), (69, 244745), (93, 181585), (115, 146847), (155, 108951), (345, 48949), (465, 36317), (713, 23685), (1579, 10695), (2139, 7895), (3565, 4737)]