28385679

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{22159}}^1$

素因数の和:22230

約数の個数: 16

約数和(自身を含む): 43965440

約数和(自身を除く): 15579761

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 22159, 66477, 155113, 465339, 1351699, 4055097, 9461893, 28385679]

約数ペア:

[(1, 28385679), (3, 9461893), (7, 4055097), (21, 1351699), (61, 465339), (183, 155113), (427, 66477), (1281, 22159)]