40728177

素因数分解:

$3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:787

約数の個数: 40

約数和(自身を含む): 70276800

約数和(自身を除く): 29548623

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 327, 567, 659, 763, 981, 1977, 2289, 2943, 4613, 5931, 6867, 8829, 13839, 17793, 20601, 41517, 53379, 61803, 71831, 124551, 215493, 373653, 502817, 646479, 1508451, 1939437, 4525353, 5818311, 13576059, 40728177]

約数ペア:

[(1, 40728177), (3, 13576059), (7, 5818311), (9, 4525353), (21, 1939437), (27, 1508451), (63, 646479), (81, 502817), (109, 373653), (189, 215493), (327, 124551), (567, 71831), (659, 61803), (763, 53379), (981, 41517), (1977, 20601), (2289, 17793), (2943, 13839), (4613, 8829), (5931, 6867)]