81542187

素因数分解:

$3^3\times {\mathrm{149}}^1\times {\mathrm{20269}}^1$

素因数の和:20427

約数の個数: 16

約数和(自身を含む): 121620000

約数和(自身を除く): 40077813

約数列:

[1, 3, 9, 27, 149, 447, 1341, 4023, 20269, 60807, 182421, 547263, 3020081, 9060243, 27180729, 81542187]

約数ペア:

[(1, 81542187), (3, 27180729), (9, 9060243), (27, 3020081), (149, 547263), (447, 182421), (1341, 60807), (4023, 20269)]