30690639

素因数分解:

$3^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{787}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 50810240

約数和(自身を除く): 20119601

約数列:

[1, 3, 7, 9, 21, 63, 619, 787, 1857, 2361, 4333, 5509, 5571, 7083, 12999, 16527, 38997, 49581, 487153, 1461459, 3410071, 4384377, 10230213, 30690639]

約数ペア:

[(1, 30690639), (3, 10230213), (7, 4384377), (9, 3410071), (21, 1461459), (63, 487153), (619, 49581), (787, 38997), (1857, 16527), (2361, 12999), (4333, 7083), (5509, 5571)]