198019185

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{145069}}^1$

素因数の和:145097

約数の個数: 32

約数和(自身を含む): 389948160

約数和(自身を除く): 191928975

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 145069, 435207, 725345, 1015483, 1885897, 2176035, 3046449, 5077415, 5657691, 9429485, 13201279, 15232245, 28288455, 39603837, 66006395, 198019185]

約数ペア:

[(1, 198019185), (3, 66006395), (5, 39603837), (7, 28288455), (13, 15232245), (15, 13201279), (21, 9429485), (35, 5657691), (39, 5077415), (65, 3046449), (91, 2176035), (105, 1885897), (195, 1015483), (273, 725345), (455, 435207), (1365, 145069)]