198668511

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1811}}^1$

素因数の和:2076

約数の個数: 32

約数和(自身を含む): 313113600

約数和(自身を除く): 114445089

約数列:

[1, 3, 9, 17, 27, 51, 153, 239, 459, 717, 1811, 2151, 4063, 5433, 6453, 12189, 16299, 30787, 36567, 48897, 92361, 109701, 277083, 432829, 831249, 1298487, 3895461, 7358093, 11686383, 22074279, 66222837, 198668511]

約数ペア:

[(1, 198668511), (3, 66222837), (9, 22074279), (17, 11686383), (27, 7358093), (51, 3895461), (153, 1298487), (239, 831249), (459, 432829), (717, 277083), (1811, 109701), (2151, 92361), (4063, 48897), (5433, 36567), (6453, 30787), (12189, 16299)]