209691018

素因数分解:

$2^1\times 3^6\times {\mathrm{143821}}^1$

素因数の和:143841

約数の個数: 28

約数和(自身を含む): 471592338

約数和(自身を除く): 261901320

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 143821, 287642, 431463, 862926, 1294389, 2588778, 3883167, 7766334, 11649501, 23299002, 34948503, 69897006, 104845509, 209691018]

約数ペア:

[(1, 209691018), (2, 104845509), (3, 69897006), (6, 34948503), (9, 23299002), (18, 11649501), (27, 7766334), (54, 3883167), (81, 2588778), (162, 1294389), (243, 862926), (486, 431463), (729, 287642), (1458, 143821)]