28160391

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{11867}}^1$

素因数の和:11990

約数の個数: 16

約数和(自身を含む): 43294464

約数和(自身を除く): 15134073

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 11867, 35601, 83069, 249207, 1340971, 4022913, 9386797, 28160391]

約数ペア:

[(1, 28160391), (3, 9386797), (7, 4022913), (21, 1340971), (113, 249207), (339, 83069), (791, 35601), (2373, 11867)]