247134345

素因数分解:

$3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{25703}}^1$

素因数の和:26352

約数の個数: 16

約数和(自身を含む): 396047232

約数和(自身を除く): 148912887

約数列:

[1, 3, 5, 15, 641, 1923, 3205, 9615, 25703, 77109, 128515, 385545, 16475623, 49426869, 82378115, 247134345]

約数ペア:

[(1, 247134345), (3, 82378115), (5, 49426869), (15, 16475623), (641, 385545), (1923, 128515), (3205, 77109), (9615, 25703)]