27890187

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{16631}}^1$

素因数の和:16690

約数の個数: 16

約数和(自身を含む): 40981248

約数和(自身を除く): 13091061

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 16631, 49893, 216203, 648609, 715133, 2145399, 9296729, 27890187]

約数ペア:

[(1, 27890187), (3, 9296729), (13, 2145399), (39, 715133), (43, 648609), (129, 216203), (559, 49893), (1677, 16631)]