28012341

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2081}}^1$

素因数の和:2732

約数の個数: 16

約数和(自身を含む): 42772608

約数和(自身を除く): 14760267

約数列:

[1, 3, 7, 21, 641, 1923, 2081, 4487, 6243, 13461, 14567, 43701, 1333921, 4001763, 9337447, 28012341]

約数ペア:

[(1, 28012341), (3, 9337447), (7, 4001763), (21, 1333921), (641, 43701), (1923, 14567), (2081, 13461), (4487, 6243)]