25783515

素因数分解:

$3^5\times 5^1\times {\mathrm{21221}}^1$

素因数の和:21241

約数の個数: 24

約数和(自身を含む): 46348848

約数和(自身を除く): 20565333

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 21221, 63663, 106105, 190989, 318315, 572967, 954945, 1718901, 2864835, 5156703, 8594505, 25783515]

約数ペア:

[(1, 25783515), (3, 8594505), (5, 5156703), (9, 2864835), (15, 1718901), (27, 954945), (45, 572967), (81, 318315), (135, 190989), (243, 106105), (405, 63663), (1215, 21221)]