40449339

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9043}}^1$

素因数の和:9127

約数の個数: 24

約数和(自身を含む): 67721472

約数和(自身を除く): 27272133

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 9043, 27129, 63301, 81387, 189903, 569709, 642053, 1926159, 4494371, 5778477, 13483113, 40449339]

約数ペア:

[(1, 40449339), (3, 13483113), (7, 5778477), (9, 4494371), (21, 1926159), (63, 642053), (71, 569709), (213, 189903), (497, 81387), (639, 63301), (1491, 27129), (4473, 9043)]