13921551

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:633

約数の個数: 40

約数和(自身を含む): 24362624

約数和(自身を除く): 10441073

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 571, 903, 1161, 1713, 2709, 3483, 3997, 5139, 8127, 11991, 15417, 24381, 24553, 35973, 46251, 73659, 107919, 171871, 220977, 323757, 515613, 662931, 1546839, 1988793, 4640517, 13921551]

約数ペア:

[(1, 13921551), (3, 4640517), (7, 1988793), (9, 1546839), (21, 662931), (27, 515613), (43, 323757), (63, 220977), (81, 171871), (129, 107919), (189, 73659), (301, 46251), (387, 35973), (567, 24553), (571, 24381), (903, 15417), (1161, 11991), (1713, 8127), (2709, 5139), (3483, 3997)]