68804967

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2503}}^1$

素因数の和:2548

約数の個数: 48

約数和(自身を含む): 123316992

約数和(自身を除く): 54512025

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 119, 147, 187, 231, 357, 539, 561, 833, 1309, 1617, 2499, 2503, 3927, 7509, 9163, 17521, 27489, 27533, 42551, 52563, 82599, 122647, 127653, 192731, 297857, 367941, 468061, 578193, 893571, 1349117, 1404183, 2084999, 3276427, 4047351, 6254997, 9829281, 22934989, 68804967]

約数ペア:

[(1, 68804967), (3, 22934989), (7, 9829281), (11, 6254997), (17, 4047351), (21, 3276427), (33, 2084999), (49, 1404183), (51, 1349117), (77, 893571), (119, 578193), (147, 468061), (187, 367941), (231, 297857), (357, 192731), (539, 127653), (561, 122647), (833, 82599), (1309, 52563), (1617, 42551), (2499, 27533), (2503, 27489), (3927, 17521), (7509, 9163)]