40555557

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2042

約数の個数: 48

約数和(自身を含む): 74655360

約数和(自身を除く): 34099803

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 969, 1071, 1197, 1993, 2261, 2907, 5979, 6783, 13951, 17937, 20349, 33881, 37867, 41853, 101643, 113601, 125559, 237167, 265069, 304929, 340803, 643739, 711501, 795207, 1931217, 2134503, 2385621, 4506173, 5793651, 13518519, 40555557]

約数ペア:

[(1, 40555557), (3, 13518519), (7, 5793651), (9, 4506173), (17, 2385621), (19, 2134503), (21, 1931217), (51, 795207), (57, 711501), (63, 643739), (119, 340803), (133, 304929), (153, 265069), (171, 237167), (323, 125559), (357, 113601), (399, 101643), (969, 41853), (1071, 37867), (1197, 33881), (1993, 20349), (2261, 17937), (2907, 13951), (5979, 6783)]