28562859

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:332

約数の個数: 36

約数和(自身を含む): 45391320

約数和(自身を除く): 16828461

約数列:

[1, 3, 9, 13, 39, 89, 117, 169, 211, 267, 507, 633, 801, 1157, 1521, 1899, 2743, 3471, 8229, 10413, 15041, 18779, 24687, 35659, 45123, 56337, 106977, 135369, 169011, 244127, 320931, 732381, 2197143, 3173651, 9520953, 28562859]

約数ペア:

[(1, 28562859), (3, 9520953), (9, 3173651), (13, 2197143), (39, 732381), (89, 320931), (117, 244127), (169, 169011), (211, 135369), (267, 106977), (507, 56337), (633, 45123), (801, 35659), (1157, 24687), (1521, 18779), (1899, 15041), (2743, 10413), (3471, 8229)]