18273843

素因数分解:

$3^6\times 7^1\times {\mathrm{3581}}^1$

素因数の和:3606

約数の個数: 28

約数和(自身を含む): 31321008

約数和(自身を除く): 13047165

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3581, 5103, 10743, 25067, 32229, 75201, 96687, 225603, 290061, 676809, 870183, 2030427, 2610549, 6091281, 18273843]

約数ペア:

[(1, 18273843), (3, 6091281), (7, 2610549), (9, 2030427), (21, 870183), (27, 676809), (63, 290061), (81, 225603), (189, 96687), (243, 75201), (567, 32229), (729, 25067), (1701, 10743), (3581, 5103)]