1994011911

素因数分解:

$3^4\times {\mathrm{991}}^1\times {\mathrm{24841}}^1$

素因数の和:25844

約数の個数: 20

約数和(自身を含む): 2981834944

約数和(自身を除く): 987823033

約数列:

[1, 3, 9, 27, 81, 991, 2973, 8919, 24841, 26757, 74523, 80271, 223569, 670707, 2012121, 24617431, 73852293, 221556879, 664670637, 1994011911]

約数ペア:

[(1, 1994011911), (3, 664670637), (9, 221556879), (27, 73852293), (81, 24617431), (991, 2012121), (2973, 670707), (8919, 223569), (24841, 80271), (26757, 74523)]