18432729

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12721}}^1$

素因数の和:12757

約数の個数: 24

約数和(自身を含む): 31754112

約数和(自身を除く): 13321383

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 12721, 38163, 89047, 114489, 267141, 292583, 801423, 877749, 2048081, 2633247, 6144243, 18432729]

約数ペア:

[(1, 18432729), (3, 6144243), (7, 2633247), (9, 2048081), (21, 877749), (23, 801423), (63, 292583), (69, 267141), (161, 114489), (207, 89047), (483, 38163), (1449, 12721)]