205386741

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 379012608

約数和(自身を除く): 173625867

約数列:

[1, 3, 7, 9, 17, 21, 37, 51, 63, 71, 73, 111, 119, 153, 213, 219, 259, 333, 357, 497, 511, 629, 639, 657, 777, 1071, 1207, 1241, 1491, 1533, 1887, 2331, 2627, 2701, 3621, 3723, 4403, 4473, 4599, 5183, 5661, 7881, 8103, 8449, 8687, 10863, 11169, 13209, 15549, 18389, 18907, 23643, 24309, 25347, 26061, 36281, 39627, 44659, 45917, 46647, 55167, 56721, 76041, 78183, 88111, 108843, 133977, 137751, 165501, 170163, 191771, 264333, 312613, 321419, 326529, 401931, 413253, 575313, 616777, 792999, 937839, 964257, 1342397, 1725939, 1850331, 2813517, 2892771, 3260107, 4027191, 5550993, 9780321, 12081573, 22820749, 29340963, 68462247, 205386741]

約数ペア:

[(1, 205386741), (3, 68462247), (7, 29340963), (9, 22820749), (17, 12081573), (21, 9780321), (37, 5550993), (51, 4027191), (63, 3260107), (71, 2892771), (73, 2813517), (111, 1850331), (119, 1725939), (153, 1342397), (213, 964257), (219, 937839), (259, 792999), (333, 616777), (357, 575313), (497, 413253), (511, 401931), (629, 326529), (639, 321419), (657, 312613), (777, 264333), (1071, 191771), (1207, 170163), (1241, 165501), (1491, 137751), (1533, 133977), (1887, 108843), (2331, 88111), (2627, 78183), (2701, 76041), (3621, 56721), (3723, 55167), (4403, 46647), (4473, 45917), (4599, 44659), (5183, 39627), (5661, 36281), (7881, 26061), (8103, 25347), (8449, 24309), (8687, 23643), (10863, 18907), (11169, 18389), (13209, 15549)]