13391163

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{5333}}^1$

素因数の和:5376

約数の個数: 20

約数和(自身を含む): 20653248

約数和(自身を除く): 7262085

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 5333, 15999, 47997, 143991, 165323, 431973, 495969, 1487907, 4463721, 13391163]

約数ペア:

[(1, 13391163), (3, 4463721), (9, 1487907), (27, 495969), (31, 431973), (81, 165323), (93, 143991), (279, 47997), (837, 15999), (2511, 5333)]