9988515

素因数分解:

$3^5\times 5^1\times {\mathrm{8221}}^1$

素因数の和:8241

約数の個数: 24

約数和(自身を含む): 17956848

約数和(自身を除く): 7968333

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 8221, 24663, 41105, 73989, 123315, 221967, 369945, 665901, 1109835, 1997703, 3329505, 9988515]

約数ペア:

[(1, 9988515), (3, 3329505), (5, 1997703), (9, 1109835), (15, 665901), (27, 369945), (45, 221967), (81, 123315), (135, 73989), (243, 41105), (405, 24663), (1215, 8221)]