391569339

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2963}}^1$

素因数の和:3040

約数の個数: 48

約数和(自身を含む): 648760320

約数和(自身を除く): 257190981

約数列:

[1, 3, 7, 21, 29, 31, 49, 87, 93, 147, 203, 217, 609, 651, 899, 1421, 1519, 2697, 2963, 4263, 4557, 6293, 8889, 18879, 20741, 44051, 62223, 85927, 91853, 132153, 145187, 257781, 275559, 435561, 601489, 642971, 1804467, 1928913, 2663737, 4210423, 4500797, 7991211, 12631269, 13502391, 18646159, 55938477, 130523113, 391569339]

約数ペア:

[(1, 391569339), (3, 130523113), (7, 55938477), (21, 18646159), (29, 13502391), (31, 12631269), (49, 7991211), (87, 4500797), (93, 4210423), (147, 2663737), (203, 1928913), (217, 1804467), (609, 642971), (651, 601489), (899, 435561), (1421, 275559), (1519, 257781), (2697, 145187), (2963, 132153), (4263, 91853), (4557, 85927), (6293, 62223), (8889, 44051), (18879, 20741)]