206589987

素因数分解:

$3^3\times {\mathrm{401}}^1\times {\mathrm{19081}}^1$

素因数の和:19491

約数の個数: 16

約数和(自身を含む): 306838560

約数和(自身を除く): 100248573

約数列:

[1, 3, 9, 27, 401, 1203, 3609, 10827, 19081, 57243, 171729, 515187, 7651481, 22954443, 68863329, 206589987]

約数ペア:

[(1, 206589987), (3, 68863329), (9, 22954443), (27, 7651481), (401, 515187), (1203, 171729), (3609, 57243), (10827, 19081)]