81442387

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1637}}^1$

素因数の和:1782

約数の個数: 16

約数和(自身を含む): 90810720

約数和(自身を除く): 9368333

約数列:

[1, 13, 43, 89, 559, 1157, 1637, 3827, 21281, 49751, 70391, 145693, 915083, 1894009, 6264799, 81442387]

約数ペア:

[(1, 81442387), (13, 6264799), (43, 1894009), (89, 915083), (559, 145693), (1157, 70391), (1637, 49751), (3827, 21281)]