16564623

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 23141376

約数和(自身を除く): 6576753

約数列:

[1, 3, 23, 69, 431, 557, 1293, 1671, 9913, 12811, 29739, 38433, 240067, 720201, 5521541, 16564623]

約数ペア:

[(1, 16564623), (3, 5521541), (23, 720201), (69, 240067), (431, 38433), (557, 29739), (1293, 12811), (1671, 9913)]