81139212

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{887}}^1$

素因数の和:929

約数の個数: 144

約数和(自身を含む): 264552960

約数和(自身を除く): 183413748

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 84, 99, 108, 121, 126, 132, 154, 189, 198, 231, 242, 252, 297, 308, 363, 378, 396, 462, 484, 594, 693, 726, 756, 847, 887, 924, 1089, 1188, 1386, 1452, 1694, 1774, 2079, 2178, 2541, 2661, 2772, 3267, 3388, 3548, 4158, 4356, 5082, 5322, 6209, 6534, 7623, 7983, 8316, 9757, 10164, 10644, 12418, 13068, 15246, 15966, 18627, 19514, 22869, 23949, 24836, 29271, 30492, 31932, 37254, 39028, 45738, 47898, 55881, 58542, 68299, 74508, 87813, 91476, 95796, 107327, 111762, 117084, 136598, 167643, 175626, 204897, 214654, 223524, 263439, 273196, 321981, 335286, 351252, 409794, 429308, 526878, 614691, 643962, 670572, 751289, 819588, 965943, 1053756, 1229382, 1287924, 1502578, 1844073, 1931886, 2253867, 2458764, 2897829, 3005156, 3688146, 3863772, 4507734, 5795658, 6761601, 7376292, 9015468, 11591316, 13523202, 20284803, 27046404, 40569606, 81139212]

約数ペア:

[(1, 81139212), (2, 40569606), (3, 27046404), (4, 20284803), (6, 13523202), (7, 11591316), (9, 9015468), (11, 7376292), (12, 6761601), (14, 5795658), (18, 4507734), (21, 3863772), (22, 3688146), (27, 3005156), (28, 2897829), (33, 2458764), (36, 2253867), (42, 1931886), (44, 1844073), (54, 1502578), (63, 1287924), (66, 1229382), (77, 1053756), (84, 965943), (99, 819588), (108, 751289), (121, 670572), (126, 643962), (132, 614691), (154, 526878), (189, 429308), (198, 409794), (231, 351252), (242, 335286), (252, 321981), (297, 273196), (308, 263439), (363, 223524), (378, 214654), (396, 204897), (462, 175626), (484, 167643), (594, 136598), (693, 117084), (726, 111762), (756, 107327), (847, 95796), (887, 91476), (924, 87813), (1089, 74508), (1188, 68299), (1386, 58542), (1452, 55881), (1694, 47898), (1774, 45738), (2079, 39028), (2178, 37254), (2541, 31932), (2661, 30492), (2772, 29271), (3267, 24836), (3388, 23949), (3548, 22869), (4158, 19514), (4356, 18627), (5082, 15966), (5322, 15246), (6209, 13068), (6534, 12418), (7623, 10644), (7983, 10164), (8316, 9757)]