1221222

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{5501}}^1$

素因数の和:5543

約数の個数: 16

約数和(自身を含む): 2508912

約数和(自身を除く): 1287690

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 5501, 11002, 16503, 33006, 203537, 407074, 610611, 1221222]

約数ペア:

[(1, 1221222), (2, 610611), (3, 407074), (6, 203537), (37, 33006), (74, 16503), (111, 11002), (222, 5501)]