17982729

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 27579552

約数和(自身を除く): 9596823

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 1161, 1721, 3483, 5163, 10449, 15489, 46467, 74003, 139401, 222009, 418203, 666027, 1998081, 5994243, 17982729]

約数ペア:

[(1, 17982729), (3, 5994243), (9, 1998081), (27, 666027), (43, 418203), (81, 222009), (129, 139401), (243, 74003), (387, 46467), (1161, 15489), (1721, 10449), (3483, 5163)]