1680452991

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{122921}}^1$

素因数の和:122972

約数の個数: 36

約数和(自身を含む): 2914726464

約数和(自身を除く): 1234273473

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 441, 651, 1519, 1953, 4557, 13671, 122921, 368763, 860447, 1106289, 2581341, 3810551, 6023129, 7744023, 11431653, 18069387, 26673857, 34294959, 54208161, 80021571, 186716999, 240064713, 560150997, 1680452991]

約数ペア:

[(1, 1680452991), (3, 560150997), (7, 240064713), (9, 186716999), (21, 80021571), (31, 54208161), (49, 34294959), (63, 26673857), (93, 18069387), (147, 11431653), (217, 7744023), (279, 6023129), (441, 3810551), (651, 2581341), (1519, 1106289), (1953, 860447), (4557, 368763), (13671, 122921)]