76980981

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19603}}^1$

素因数の和:19641

約数の個数: 32

約数和(自身を含む): 135502848

約数和(自身を除く): 58521867

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 19603, 58809, 137221, 215633, 333251, 411663, 646899, 999753, 1509431, 2332757, 3665761, 4528293, 6998271, 10997283, 25660327, 76980981]

約数ペア:

[(1, 76980981), (3, 25660327), (7, 10997283), (11, 6998271), (17, 4528293), (21, 3665761), (33, 2332757), (51, 1509431), (77, 999753), (119, 646899), (187, 411663), (231, 333251), (357, 215633), (561, 137221), (1309, 58809), (3927, 19603)]