221430393

素因数分解:

$3^2\times {\mathrm{113}}^1\times {\mathrm{239}}^1\times {\mathrm{911}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 324380160

約数和(自身を除く): 102949767

約数列:

[1, 3, 9, 113, 239, 339, 717, 911, 1017, 2151, 2733, 8199, 27007, 81021, 102943, 217729, 243063, 308829, 653187, 926487, 1959561, 24603377, 73810131, 221430393]

約数ペア:

[(1, 221430393), (3, 73810131), (9, 24603377), (113, 1959561), (239, 926487), (339, 653187), (717, 308829), (911, 243063), (1017, 217729), (2151, 102943), (2733, 81021), (8199, 27007)]