2161861167

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{2909}}^1$

素因数の和:3135

約数の個数: 32

約数和(自身を含む): 3048376320

約数和(自身を除く): 886515153

約数列:

[1, 3, 31, 61, 93, 131, 183, 393, 1891, 2909, 4061, 5673, 7991, 8727, 12183, 23973, 90179, 177449, 247721, 270537, 381079, 532347, 743163, 1143237, 5500919, 11813449, 16502757, 23245819, 35440347, 69737457, 720620389, 2161861167]

約数ペア:

[(1, 2161861167), (3, 720620389), (31, 69737457), (61, 35440347), (93, 23245819), (131, 16502757), (183, 11813449), (393, 5500919), (1891, 1143237), (2909, 743163), (4061, 532347), (5673, 381079), (7991, 270537), (8727, 247721), (12183, 177449), (23973, 90179)]