12910947

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 20447232

約数和(自身を除く): 7536285

約数列:

[1, 3, 7, 21, 47, 103, 127, 141, 309, 329, 381, 721, 889, 987, 2163, 2667, 4841, 5969, 13081, 14523, 17907, 33887, 39243, 41783, 91567, 101661, 125349, 274701, 614807, 1844421, 4303649, 12910947]

約数ペア:

[(1, 12910947), (3, 4303649), (7, 1844421), (21, 614807), (47, 274701), (103, 125349), (127, 101661), (141, 91567), (309, 41783), (329, 39243), (381, 33887), (721, 17907), (889, 14523), (987, 13081), (2163, 5969), (2667, 4841)]