18096729

素因数分解:

$3^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 28230048

約数和(自身を除く): 10133319

約数列:

[1, 3, 7, 21, 49, 147, 307, 401, 921, 1203, 2149, 2807, 6447, 8421, 15043, 19649, 45129, 58947, 123107, 369321, 861749, 2585247, 6032243, 18096729]

約数ペア:

[(1, 18096729), (3, 6032243), (7, 2585247), (21, 861749), (49, 369321), (147, 123107), (307, 58947), (401, 45129), (921, 19649), (1203, 15043), (2149, 8421), (2807, 6447)]