28991469

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{18131}}^1$

素因数の和:18188

約数の個数: 16

約数和(自身を含む): 42646464

約数和(自身を除く): 13654995

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 18131, 54393, 235703, 707109, 743371, 2230113, 9663823, 28991469]

約数ペア:

[(1, 28991469), (3, 9663823), (13, 2230113), (39, 743371), (41, 707109), (123, 235703), (533, 54393), (1599, 18131)]