1981683

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 3212976

約数和(自身を除く): 1231293

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 541, 1221, 1623, 3663, 4869, 5951, 17853, 20017, 53559, 60051, 180153, 220187, 660561, 1981683]

約数ペア:

[(1, 1981683), (3, 660561), (9, 220187), (11, 180153), (33, 60051), (37, 53559), (99, 20017), (111, 17853), (333, 5951), (407, 4869), (541, 3663), (1221, 1623)]