1275285

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 2280960

約数和(自身を除く): 1005675

約数列:

[1, 3, 5, 11, 15, 33, 55, 59, 131, 165, 177, 295, 393, 649, 655, 885, 1441, 1947, 1965, 3245, 4323, 7205, 7729, 9735, 21615, 23187, 38645, 85019, 115935, 255057, 425095, 1275285]

約数ペア:

[(1, 1275285), (3, 425095), (5, 255057), (11, 115935), (15, 85019), (33, 38645), (55, 23187), (59, 21615), (131, 9735), (165, 7729), (177, 7205), (295, 4323), (393, 3245), (649, 1965), (655, 1947), (885, 1441)]