13340715

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 22118400

約数和(自身を除く): 8777685

約数列:

[1, 3, 5, 15, 47, 127, 141, 149, 235, 381, 447, 635, 705, 745, 1905, 2235, 5969, 7003, 17907, 18923, 21009, 29845, 35015, 56769, 89535, 94615, 105045, 283845, 889381, 2668143, 4446905, 13340715]

約数ペア:

[(1, 13340715), (3, 4446905), (5, 2668143), (15, 889381), (47, 283845), (127, 105045), (141, 94615), (149, 89535), (235, 56769), (381, 35015), (447, 29845), (635, 21009), (705, 18923), (745, 17907), (1905, 7003), (2235, 5969)]