40987611

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{677}}^1$

素因数の和:752

約数の個数: 36

約数和(自身を含む): 70018416

約数和(自身を除く): 29030805

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 677, 961, 1953, 2031, 2883, 4739, 6093, 6727, 8649, 14217, 20181, 20987, 42651, 60543, 62961, 146909, 188883, 440727, 650597, 1322181, 1951791, 4554179, 5855373, 13662537, 40987611]

約数ペア:

[(1, 40987611), (3, 13662537), (7, 5855373), (9, 4554179), (21, 1951791), (31, 1322181), (63, 650597), (93, 440727), (217, 188883), (279, 146909), (651, 62961), (677, 60543), (961, 42651), (1953, 20987), (2031, 20181), (2883, 14217), (4739, 8649), (6093, 6727)]