15147489

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 23961600

約数和(自身を除く): 8814111

約数列:

[1, 3, 7, 21, 47, 103, 141, 149, 309, 329, 447, 721, 987, 1043, 2163, 3129, 4841, 7003, 14523, 15347, 21009, 33887, 46041, 49021, 101661, 107429, 147063, 322287, 721309, 2163927, 5049163, 15147489]

約数ペア:

[(1, 15147489), (3, 5049163), (7, 2163927), (21, 721309), (47, 322287), (103, 147063), (141, 107429), (149, 101661), (309, 49021), (329, 46041), (447, 33887), (721, 21009), (987, 15347), (1043, 14523), (2163, 7003), (3129, 4841)]