487787517

素因数分解:

$3^2\times 7^1\times {\mathrm{2143}}^1\times {\mathrm{3613}}^1$

素因数の和:5769

約数の個数: 24

約数和(自身を含む): 805835264

約数和(自身を除く): 318047747

約数列:

[1, 3, 7, 9, 21, 63, 2143, 3613, 6429, 10839, 15001, 19287, 25291, 32517, 45003, 75873, 135009, 227619, 7742659, 23227977, 54198613, 69683931, 162595839, 487787517]

約数ペア:

[(1, 487787517), (3, 162595839), (7, 69683931), (9, 54198613), (21, 23227977), (63, 7742659), (2143, 227619), (3613, 135009), (6429, 75873), (10839, 45003), (15001, 32517), (19287, 25291)]