28917555

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1061}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 48936960

約数和(自身を除く): 20019405

約数列:

[1, 3, 5, 15, 23, 69, 79, 115, 237, 345, 395, 1061, 1185, 1817, 3183, 5305, 5451, 9085, 15915, 24403, 27255, 73209, 83819, 122015, 251457, 366045, 419095, 1257285, 1927837, 5783511, 9639185, 28917555]

約数ペア:

[(1, 28917555), (3, 9639185), (5, 5783511), (15, 1927837), (23, 1257285), (69, 419095), (79, 366045), (115, 251457), (237, 122015), (345, 83819), (395, 73209), (1061, 27255), (1185, 24403), (1817, 15915), (3183, 9085), (5305, 5451)]