31421105

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{1373}}^1$

素因数の和:1600

約数の個数: 16

約数和(自身を含む): 39571200

約数和(自身を除く): 8150095

約数列:

[1, 5, 23, 115, 199, 995, 1373, 4577, 6865, 22885, 31579, 157895, 273227, 1366135, 6284221, 31421105]

約数ペア:

[(1, 31421105), (5, 6284221), (23, 1366135), (115, 273227), (199, 157895), (995, 31579), (1373, 22885), (4577, 6865)]