8205120009

素因数分解:

$3^2\times {\mathrm{257}}^1\times {\mathrm{3547393}}^1$

素因数の和:3547656

約数の個数: 12

約数和(自身を含む): 11897959476

約数和(自身を除く): 3692839467

約数列:

[1, 3, 9, 257, 771, 2313, 3547393, 10642179, 31926537, 911680001, 2735040003, 8205120009]

約数ペア:

[(1, 8205120009), (3, 2735040003), (9, 911680001), (257, 31926537), (771, 10642179), (2313, 3547393)]