71820054

素因数分解:

$2^1\times 3^3\times {\mathrm{1330001}}^1$

素因数の和:1330012

約数の個数: 16

約数和(自身を含む): 159600240

約数和(自身を除く): 87780186

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1330001, 2660002, 3990003, 7980006, 11970009, 23940018, 35910027, 71820054]

約数ペア:

[(1, 71820054), (2, 35910027), (3, 23940018), (6, 11970009), (9, 7980006), (18, 3990003), (27, 2660002), (54, 1330001)]