1243915731

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{1213}}^1\times {\mathrm{1999}}^1$

素因数の和:3240

約数の個数: 32

約数和(自身を含む): 1942400000

約数和(自身を除く): 698484269

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 1213, 1999, 3639, 5997, 10917, 17991, 23047, 32751, 37981, 53973, 69141, 113943, 207423, 341829, 622269, 1025487, 2424787, 7274361, 21823083, 46070953, 65469249, 138212859, 414638577, 1243915731]

約数ペア:

[(1, 1243915731), (3, 414638577), (9, 138212859), (19, 65469249), (27, 46070953), (57, 21823083), (171, 7274361), (513, 2424787), (1213, 1025487), (1999, 622269), (3639, 341829), (5997, 207423), (10917, 113943), (17991, 69141), (23047, 53973), (32751, 37981)]