438243

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 667296

約数和(自身を除く): 229053

約数列:

[1, 3, 13, 17, 39, 51, 221, 661, 663, 1983, 8593, 11237, 25779, 33711, 146081, 438243]

約数ペア:

[(1, 438243), (3, 146081), (13, 33711), (17, 25779), (39, 11237), (51, 8593), (221, 1983), (661, 663)]