155520009

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{1321}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 228780032

約数和(自身を除く): 73260023

約数列:

[1, 3, 9, 103, 127, 309, 381, 927, 1143, 1321, 3963, 11889, 13081, 39243, 117729, 136063, 167767, 408189, 503301, 1224567, 1509903, 17280001, 51840003, 155520009]

約数ペア:

[(1, 155520009), (3, 51840003), (9, 17280001), (103, 1509903), (127, 1224567), (309, 503301), (381, 408189), (927, 167767), (1143, 136063), (1321, 117729), (3963, 39243), (11889, 13081)]