81038556

素因数分解:

$2^2\times 3^6\times {\mathrm{27791}}^1$

素因数の和:27813

約数の個数: 42

約数和(自身を含む): 212636592

約数和(自身を除く): 131598036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 27791, 55582, 83373, 111164, 166746, 250119, 333492, 500238, 750357, 1000476, 1500714, 2251071, 3001428, 4502142, 6753213, 9004284, 13506426, 20259639, 27012852, 40519278, 81038556]

約数ペア:

[(1, 81038556), (2, 40519278), (3, 27012852), (4, 20259639), (6, 13506426), (9, 9004284), (12, 6753213), (18, 4502142), (27, 3001428), (36, 2251071), (54, 1500714), (81, 1000476), (108, 750357), (162, 500238), (243, 333492), (324, 250119), (486, 166746), (729, 111164), (972, 83373), (1458, 55582), (2916, 27791)]