155965271

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 201277440

約数和(自身を除く): 45312169

約数列:

[1, 7, 11, 41, 77, 127, 287, 389, 451, 889, 1397, 2723, 3157, 4279, 5207, 9779, 15949, 29953, 36449, 49403, 57277, 111643, 175439, 345821, 400939, 543433, 1228073, 2025523, 3804031, 14178661, 22280753, 155965271]

約数ペア:

[(1, 155965271), (7, 22280753), (11, 14178661), (41, 3804031), (77, 2025523), (127, 1228073), (287, 543433), (389, 400939), (451, 345821), (889, 175439), (1397, 111643), (2723, 57277), (3157, 49403), (4279, 36449), (5207, 29953), (9779, 15949)]