1556385

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 2703360

約数和(自身を除く): 1146975

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 127, 129, 215, 285, 381, 635, 645, 817, 1905, 2413, 2451, 4085, 5461, 7239, 12065, 12255, 16383, 27305, 36195, 81915, 103759, 311277, 518795, 1556385]

約数ペア:

[(1, 1556385), (3, 518795), (5, 311277), (15, 103759), (19, 81915), (43, 36195), (57, 27305), (95, 16383), (127, 12255), (129, 12065), (215, 7239), (285, 5461), (381, 4085), (635, 2451), (645, 2413), (817, 1905)]