21777195

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2237}}^1$

素因数の和:2315

約数の個数: 32

約数和(自身を含む): 38672640

約数和(自身を除く): 16895445

約数列:

[1, 3, 5, 11, 15, 33, 55, 59, 165, 177, 295, 649, 885, 1947, 2237, 3245, 6711, 9735, 11185, 24607, 33555, 73821, 123035, 131983, 369105, 395949, 659915, 1451813, 1979745, 4355439, 7259065, 21777195]

約数ペア:

[(1, 21777195), (3, 7259065), (5, 4355439), (11, 1979745), (15, 1451813), (33, 659915), (55, 395949), (59, 369105), (165, 131983), (177, 123035), (295, 73821), (649, 33555), (885, 24607), (1947, 11185), (2237, 9735), (3245, 6711)]