26515215

素因数分解:

$3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 47424960

約数和(自身を除く): 20909745

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 197, 591, 985, 997, 1773, 2955, 2991, 4985, 5319, 8865, 8973, 14955, 26595, 26919, 44865, 134595, 196409, 589227, 982045, 1767681, 2946135, 5303043, 8838405, 26515215]

約数ペア:

[(1, 26515215), (3, 8838405), (5, 5303043), (9, 2946135), (15, 1767681), (27, 982045), (45, 589227), (135, 196409), (197, 134595), (591, 44865), (985, 26919), (997, 26595), (1773, 14955), (2955, 8973), (2991, 8865), (4985, 5319)]