18151587

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:280

約数の個数: 32

約数和(自身を含む): 27855360

約数和(自身を除く): 9703773

約数列:

[1, 3, 9, 27, 61, 103, 107, 183, 309, 321, 549, 927, 963, 1647, 2781, 2889, 6283, 6527, 11021, 18849, 19581, 33063, 56547, 58743, 99189, 169641, 176229, 297567, 672281, 2016843, 6050529, 18151587]

約数ペア:

[(1, 18151587), (3, 6050529), (9, 2016843), (27, 672281), (61, 297567), (103, 176229), (107, 169641), (183, 99189), (309, 58743), (321, 56547), (549, 33063), (927, 19581), (963, 18849), (1647, 11021), (2781, 6527), (2889, 6283)]