57141981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28729}}^1$

素因数の和:28765

約数の個数: 24

約数和(自身を含む): 94119480

約数和(自身を除く): 36977499

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 28729, 86187, 258561, 373477, 488393, 1120431, 1465179, 3361293, 4395537, 6349109, 19047327, 57141981]

約数ペア:

[(1, 57141981), (3, 19047327), (9, 6349109), (13, 4395537), (17, 3361293), (39, 1465179), (51, 1120431), (117, 488393), (153, 373477), (221, 258561), (663, 86187), (1989, 28729)]