28641459

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{123989}}^1$

素因数の和:124010

約数の個数: 16

約数和(自身を含む): 47612160

約数和(自身を除く): 18970701

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 123989, 371967, 867923, 1363879, 2603769, 4091637, 9547153, 28641459]

約数ペア:

[(1, 28641459), (3, 9547153), (7, 4091637), (11, 2603769), (21, 1363879), (33, 867923), (77, 371967), (231, 123989)]