40873581

素因数分解:

$3^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1009}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 67645760

約数和(自身を除く): 26772179

約数列:

[1, 3, 7, 9, 21, 63, 643, 1009, 1929, 3027, 4501, 5787, 7063, 9081, 13503, 21189, 40509, 63567, 648787, 1946361, 4541509, 5839083, 13624527, 40873581]

約数ペア:

[(1, 40873581), (3, 13624527), (7, 5839083), (9, 4541509), (21, 1946361), (63, 648787), (643, 63567), (1009, 40509), (1929, 21189), (3027, 13503), (4501, 9081), (5787, 7063)]