788671779

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{27077}}^1$

素因数の和:27179

約数の個数: 32

約数和(自身を含む): 1282414080

約数和(自身を除く): 493742301

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 4161, 9709, 27077, 29127, 81231, 189539, 514463, 568617, 1543389, 1976621, 3601241, 5929863, 10803723, 13836347, 37555799, 41509041, 112667397, 262890593, 788671779]

約数ペア:

[(1, 788671779), (3, 262890593), (7, 112667397), (19, 41509041), (21, 37555799), (57, 13836347), (73, 10803723), (133, 5929863), (219, 3601241), (399, 1976621), (511, 1543389), (1387, 568617), (1533, 514463), (4161, 189539), (9709, 81231), (27077, 29127)]