648287265

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{4861}}^1$

素因数の和:5409

約数の個数: 32

約数和(自身を含む): 1100601216

約数和(自身を除く): 452313951

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 523, 1569, 2615, 4861, 7845, 8891, 14583, 24305, 26673, 44455, 72915, 82637, 133365, 247911, 413185, 1239555, 2542303, 7626909, 12711515, 38134545, 43219151, 129657453, 216095755, 648287265]

約数ペア:

[(1, 648287265), (3, 216095755), (5, 129657453), (15, 43219151), (17, 38134545), (51, 12711515), (85, 7626909), (255, 2542303), (523, 1239555), (1569, 413185), (2615, 247911), (4861, 133365), (7845, 82637), (8891, 72915), (14583, 44455), (24305, 26673)]