2493729

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1757

約数の個数: 24

約数和(自身を含む): 4298112

約数和(自身を除く): 1804383

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 1721, 5163, 12047, 15489, 36141, 39583, 108423, 118749, 277081, 356247, 831243, 2493729]

約数ペア:

[(1, 2493729), (3, 831243), (7, 356247), (9, 277081), (21, 118749), (23, 108423), (63, 39583), (69, 36141), (161, 15489), (207, 12047), (483, 5163), (1449, 1721)]