2005018515

素因数分解:

$3^5\times 5^1\times {\mathrm{1650221}}^1$

素因数の和:1650241

約数の個数: 24

約数和(自身を含む): 3604084848

約数和(自身を除く): 1599066333

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1650221, 4950663, 8251105, 14851989, 24753315, 44555967, 74259945, 133667901, 222779835, 401003703, 668339505, 2005018515]

約数ペア:

[(1, 2005018515), (3, 668339505), (5, 401003703), (9, 222779835), (15, 133667901), (27, 74259945), (45, 44555967), (81, 24753315), (135, 14851989), (243, 8251105), (405, 4950663), (1215, 1650221)]