1427980701

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{491}}^1$

素因数の和:754

約数の個数: 64

約数和(自身を含む): 2369157120

約数和(自身を除く): 941176419

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 197, 259, 399, 491, 591, 703, 777, 1379, 1473, 2109, 3437, 3743, 4137, 4921, 7289, 9329, 10311, 11229, 14763, 18167, 21867, 26201, 27987, 51023, 54501, 65303, 78603, 96727, 127169, 138491, 153069, 195909, 290181, 345173, 381507, 415473, 677089, 969437, 1035519, 1837813, 2031267, 2416211, 2908311, 3578899, 5513439, 7248633, 10736697, 12864691, 25052293, 38594073, 67999081, 75156879, 203997243, 475993567, 1427980701]

約数ペア:

[(1, 1427980701), (3, 475993567), (7, 203997243), (19, 75156879), (21, 67999081), (37, 38594073), (57, 25052293), (111, 12864691), (133, 10736697), (197, 7248633), (259, 5513439), (399, 3578899), (491, 2908311), (591, 2416211), (703, 2031267), (777, 1837813), (1379, 1035519), (1473, 969437), (2109, 677089), (3437, 415473), (3743, 381507), (4137, 345173), (4921, 290181), (7289, 195909), (9329, 153069), (10311, 138491), (11229, 127169), (14763, 96727), (18167, 78603), (21867, 65303), (26201, 54501), (27987, 51023)]