223278315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{16127}}^1$

素因数の和:16219

約数の個数: 32

約数和(自身を含む): 390168576

約数和(自身を除く): 166890261

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 195, 213, 355, 923, 1065, 2769, 4615, 13845, 16127, 48381, 80635, 209651, 241905, 628953, 1048255, 1145017, 3144765, 3435051, 5725085, 14885221, 17175255, 44655663, 74426105, 223278315]

約数ペア:

[(1, 223278315), (3, 74426105), (5, 44655663), (13, 17175255), (15, 14885221), (39, 5725085), (65, 3435051), (71, 3144765), (195, 1145017), (213, 1048255), (355, 628953), (923, 241905), (1065, 209651), (2769, 80635), (4615, 48381), (13845, 16127)]