1245918723

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 2016030720

約数和(自身を除く): 770111997

約数列:

[1, 3, 7, 21, 37, 47, 109, 111, 141, 259, 313, 327, 329, 763, 777, 939, 987, 1739, 2191, 2289, 4033, 5123, 5217, 6573, 11581, 12099, 12173, 14711, 15369, 28231, 34117, 34743, 35861, 36519, 44133, 81067, 84693, 102351, 102977, 107583, 189551, 238819, 243201, 308931, 544307, 568653, 716457, 1262329, 1326857, 1603499, 1632921, 3786987, 3810149, 3980571, 4810497, 8836303, 11224493, 11430447, 26508909, 33673479, 59329463, 177988389, 415306241, 1245918723]

約数ペア:

[(1, 1245918723), (3, 415306241), (7, 177988389), (21, 59329463), (37, 33673479), (47, 26508909), (109, 11430447), (111, 11224493), (141, 8836303), (259, 4810497), (313, 3980571), (327, 3810149), (329, 3786987), (763, 1632921), (777, 1603499), (939, 1326857), (987, 1262329), (1739, 716457), (2191, 568653), (2289, 544307), (4033, 308931), (5123, 243201), (5217, 238819), (6573, 189551), (11581, 107583), (12099, 102977), (12173, 102351), (14711, 84693), (15369, 81067), (28231, 44133), (34117, 36519), (34743, 35861)]