81553185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1301}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 162489600

約数和(自身を除く): 80936415

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 199, 315, 597, 995, 1301, 1393, 1791, 2985, 3903, 4179, 6505, 6965, 8955, 9107, 11709, 12537, 19515, 20895, 27321, 45535, 58545, 62685, 81963, 136605, 258899, 409815, 776697, 1294495, 1812293, 2330091, 3883485, 5436879, 9061465, 11650455, 16310637, 27184395, 81553185]

約数ペア:

[(1, 81553185), (3, 27184395), (5, 16310637), (7, 11650455), (9, 9061465), (15, 5436879), (21, 3883485), (35, 2330091), (45, 1812293), (63, 1294495), (105, 776697), (199, 409815), (315, 258899), (597, 136605), (995, 81963), (1301, 62685), (1393, 58545), (1791, 45535), (2985, 27321), (3903, 20895), (4179, 19515), (6505, 12537), (6965, 11709), (8955, 9107)]