68343513

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1091}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 110423040

約数和(自身を除く): 42079527

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 399, 471, 1091, 1099, 2983, 3273, 3297, 7637, 8949, 20729, 20881, 22911, 62187, 62643, 145103, 171287, 435309, 513861, 1199009, 3254453, 3597027, 9763359, 22781171, 68343513]

約数ペア:

[(1, 68343513), (3, 22781171), (7, 9763359), (19, 3597027), (21, 3254453), (57, 1199009), (133, 513861), (157, 435309), (399, 171287), (471, 145103), (1091, 62643), (1099, 62187), (2983, 22911), (3273, 20881), (3297, 20729), (7637, 8949)]