205745913

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 320314176

約数和(自身を除く): 114568263

約数列:

[1, 3, 9, 27, 41, 81, 107, 123, 193, 243, 321, 369, 579, 963, 1107, 1737, 2889, 3321, 4387, 5211, 7913, 8667, 9963, 13161, 15633, 20651, 23739, 26001, 39483, 46899, 61953, 71217, 118449, 185859, 213651, 355347, 557577, 640953, 846691, 1066041, 1672731, 1922859, 2540073, 5018193, 7620219, 22860657, 68581971, 205745913]

約数ペア:

[(1, 205745913), (3, 68581971), (9, 22860657), (27, 7620219), (41, 5018193), (81, 2540073), (107, 1922859), (123, 1672731), (193, 1066041), (243, 846691), (321, 640953), (369, 557577), (579, 355347), (963, 213651), (1107, 185859), (1737, 118449), (2889, 71217), (3321, 61953), (4387, 46899), (5211, 39483), (7913, 26001), (8667, 23739), (9963, 20651), (13161, 15633)]