2131533

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 18

約数和(自身を含む): 3182634

約数和(自身を除く): 1051101

約数列:

[1, 3, 9, 37, 111, 173, 333, 519, 1369, 1557, 4107, 6401, 12321, 19203, 57609, 236837, 710511, 2131533]

約数ペア:

[(1, 2131533), (3, 710511), (9, 236837), (37, 57609), (111, 19203), (173, 12321), (333, 6401), (519, 4107), (1369, 1557)]