28132611

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:515

約数の個数: 32

約数和(自身を含む): 42792960

約数和(自身を除く): 14660349

約数列:

[1, 3, 13, 23, 39, 69, 79, 237, 299, 397, 897, 1027, 1191, 1817, 3081, 5161, 5451, 9131, 15483, 23621, 27393, 31363, 70863, 94089, 118703, 356109, 407719, 721349, 1223157, 2164047, 9377537, 28132611]

約数ペア:

[(1, 28132611), (3, 9377537), (13, 2164047), (23, 1223157), (39, 721349), (69, 407719), (79, 356109), (237, 118703), (299, 94089), (397, 70863), (897, 31363), (1027, 27393), (1191, 23621), (1817, 15483), (3081, 9131), (5161, 5451)]