208065429

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 120

約数和(自身を含む): 389321856

約数和(自身を除く): 181256427

約数列:

[1, 3, 9, 11, 13, 23, 27, 33, 39, 69, 71, 81, 99, 117, 121, 143, 207, 213, 253, 297, 299, 351, 363, 429, 621, 639, 759, 781, 891, 897, 923, 1053, 1089, 1287, 1573, 1633, 1863, 1917, 2277, 2343, 2691, 2769, 2783, 3267, 3289, 3861, 4719, 4899, 5751, 6831, 7029, 8073, 8307, 8349, 8591, 9801, 9867, 10153, 11583, 14157, 14697, 17963, 20493, 21087, 21229, 24219, 24921, 25047, 25773, 29601, 30459, 36179, 42471, 44091, 53889, 63261, 63687, 74763, 75141, 77319, 88803, 91377, 108537, 111683, 127413, 132273, 161667, 191061, 197593, 225423, 231957, 233519, 266409, 274131, 325611, 335049, 485001, 573183, 592779, 695871, 700557, 822393, 976833, 1005147, 1455003, 1719549, 1778337, 2101671, 2568709, 2930499, 3015441, 5335011, 6305013, 7706127, 9046323, 16005033, 18915039, 23118381, 69355143, 208065429]

約数ペア:

[(1, 208065429), (3, 69355143), (9, 23118381), (11, 18915039), (13, 16005033), (23, 9046323), (27, 7706127), (33, 6305013), (39, 5335011), (69, 3015441), (71, 2930499), (81, 2568709), (99, 2101671), (117, 1778337), (121, 1719549), (143, 1455003), (207, 1005147), (213, 976833), (253, 822393), (297, 700557), (299, 695871), (351, 592779), (363, 573183), (429, 485001), (621, 335049), (639, 325611), (759, 274131), (781, 266409), (891, 233519), (897, 231957), (923, 225423), (1053, 197593), (1089, 191061), (1287, 161667), (1573, 132273), (1633, 127413), (1863, 111683), (1917, 108537), (2277, 91377), (2343, 88803), (2691, 77319), (2769, 75141), (2783, 74763), (3267, 63687), (3289, 63261), (3861, 53889), (4719, 44091), (4899, 42471), (5751, 36179), (6831, 30459), (7029, 29601), (8073, 25773), (8307, 25047), (8349, 24921), (8591, 24219), (9801, 21229), (9867, 21087), (10153, 20493), (11583, 17963), (14157, 14697)]