28537365

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{457}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 48013056

約数和(自身を除く): 19475691

約数列:

[1, 3, 5, 15, 23, 69, 115, 181, 345, 457, 543, 905, 1371, 2285, 2715, 4163, 6855, 10511, 12489, 20815, 31533, 52555, 62445, 82717, 157665, 248151, 413585, 1240755, 1902491, 5707473, 9512455, 28537365]

約数ペア:

[(1, 28537365), (3, 9512455), (5, 5707473), (15, 1902491), (23, 1240755), (69, 413585), (115, 248151), (181, 157665), (345, 82717), (457, 62445), (543, 52555), (905, 31533), (1371, 20815), (2285, 12489), (2715, 10511), (4163, 6855)]