61845155

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 78311952

約数和(自身を除く): 16466797

約数列:

[1, 5, 31, 61, 155, 211, 305, 961, 1055, 1891, 4805, 6541, 9455, 12871, 32705, 58621, 64355, 202771, 293105, 399001, 1013855, 1995005, 12369031, 61845155]

約数ペア:

[(1, 61845155), (5, 12369031), (31, 1995005), (61, 1013855), (155, 399001), (211, 293105), (305, 202771), (961, 64355), (1055, 58621), (1891, 32705), (4805, 12871), (6541, 9455)]