1002591

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:603

約数の個数: 16

約数和(自身を含む): 1509120

約数和(自身を除く): 506529

約数列:

[1, 3, 9, 27, 71, 213, 523, 639, 1569, 1917, 4707, 14121, 37133, 111399, 334197, 1002591]

約数ペア:

[(1, 1002591), (3, 334197), (9, 111399), (27, 37133), (71, 14121), (213, 4707), (523, 1917), (639, 1569)]