80978667

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1213}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 143116032

約数和(自身を除く): 62137365

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 289, 357, 561, 867, 1213, 1309, 2023, 3179, 3639, 3927, 6069, 8491, 9537, 13343, 20621, 22253, 25473, 40029, 61863, 66759, 93401, 144347, 226831, 280203, 350557, 433041, 680493, 1051671, 1587817, 2453899, 3856127, 4763451, 7361697, 11568381, 26992889, 80978667]

約数ペア:

[(1, 80978667), (3, 26992889), (7, 11568381), (11, 7361697), (17, 4763451), (21, 3856127), (33, 2453899), (51, 1587817), (77, 1051671), (119, 680493), (187, 433041), (231, 350557), (289, 280203), (357, 226831), (561, 144347), (867, 93401), (1213, 66759), (1309, 61863), (2023, 40029), (3179, 25473), (3639, 22253), (3927, 20621), (6069, 13343), (8491, 9537)]