209544237

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 373748544

約数和(自身を除く): 164204307

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 73, 147, 161, 207, 219, 283, 441, 483, 511, 657, 849, 1127, 1449, 1533, 1679, 1981, 2547, 3381, 3577, 4599, 5037, 5943, 6509, 10143, 10731, 11753, 13867, 15111, 17829, 19527, 20659, 32193, 35259, 41601, 45563, 58581, 61977, 82271, 105777, 124803, 136689, 144613, 185931, 246813, 318941, 410067, 433839, 475157, 740439, 956823, 1012291, 1301517, 1425471, 2870469, 3036873, 3326099, 4276413, 9110619, 9978297, 23282693, 29934891, 69848079, 209544237]

約数ペア:

[(1, 209544237), (3, 69848079), (7, 29934891), (9, 23282693), (21, 9978297), (23, 9110619), (49, 4276413), (63, 3326099), (69, 3036873), (73, 2870469), (147, 1425471), (161, 1301517), (207, 1012291), (219, 956823), (283, 740439), (441, 475157), (483, 433839), (511, 410067), (657, 318941), (849, 246813), (1127, 185931), (1449, 144613), (1533, 136689), (1679, 124803), (1981, 105777), (2547, 82271), (3381, 61977), (3577, 58581), (4599, 45563), (5037, 41601), (5943, 35259), (6509, 32193), (10143, 20659), (10731, 19527), (11753, 17829), (13867, 15111)]