81403056

素因数分解:

$2^4\times 3^6\times 7^1\times {\mathrm{997}}^1$

素因数の和:1030

約数の個数: 140

約数和(自身を含む): 270521872

約数和(自身を除く): 189118816

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 126, 144, 162, 168, 189, 216, 243, 252, 324, 336, 378, 432, 486, 504, 567, 648, 729, 756, 972, 997, 1008, 1134, 1296, 1458, 1512, 1701, 1944, 1994, 2268, 2916, 2991, 3024, 3402, 3888, 3988, 4536, 5103, 5832, 5982, 6804, 6979, 7976, 8973, 9072, 10206, 11664, 11964, 13608, 13958, 15952, 17946, 20412, 20937, 23928, 26919, 27216, 27916, 35892, 40824, 41874, 47856, 53838, 55832, 62811, 71784, 80757, 81648, 83748, 107676, 111664, 125622, 143568, 161514, 167496, 188433, 215352, 242271, 251244, 323028, 334992, 376866, 430704, 484542, 502488, 565299, 646056, 726813, 753732, 969084, 1004976, 1130598, 1292112, 1453626, 1507464, 1695897, 1938168, 2261196, 2907252, 3014928, 3391794, 3876336, 4522392, 5087691, 5814504, 6783588, 9044784, 10175382, 11629008, 13567176, 20350764, 27134352, 40701528, 81403056]

約数ペア:

[(1, 81403056), (2, 40701528), (3, 27134352), (4, 20350764), (6, 13567176), (7, 11629008), (8, 10175382), (9, 9044784), (12, 6783588), (14, 5814504), (16, 5087691), (18, 4522392), (21, 3876336), (24, 3391794), (27, 3014928), (28, 2907252), (36, 2261196), (42, 1938168), (48, 1695897), (54, 1507464), (56, 1453626), (63, 1292112), (72, 1130598), (81, 1004976), (84, 969084), (108, 753732), (112, 726813), (126, 646056), (144, 565299), (162, 502488), (168, 484542), (189, 430704), (216, 376866), (243, 334992), (252, 323028), (324, 251244), (336, 242271), (378, 215352), (432, 188433), (486, 167496), (504, 161514), (567, 143568), (648, 125622), (729, 111664), (756, 107676), (972, 83748), (997, 81648), (1008, 80757), (1134, 71784), (1296, 62811), (1458, 55832), (1512, 53838), (1701, 47856), (1944, 41874), (1994, 40824), (2268, 35892), (2916, 27916), (2991, 27216), (3024, 26919), (3402, 23928), (3888, 20937), (3988, 20412), (4536, 17946), (5103, 15952), (5832, 13958), (5982, 13608), (6804, 11964), (6979, 11664), (7976, 10206), (8973, 9072)]