638856963

素因数分解:

$3^6\times {\mathrm{79}}^1\times {\mathrm{11093}}^1$

素因数の和:11190

約数の個数: 28

約数和(自身を含む): 970059360

約数和(自身を除く): 331202397

約数列:

[1, 3, 9, 27, 79, 81, 237, 243, 711, 729, 2133, 6399, 11093, 19197, 33279, 57591, 99837, 299511, 876347, 898533, 2629041, 2695599, 7887123, 8086797, 23661369, 70984107, 212952321, 638856963]

約数ペア:

[(1, 638856963), (3, 212952321), (9, 70984107), (27, 23661369), (79, 8086797), (81, 7887123), (237, 2695599), (243, 2629041), (711, 898533), (729, 876347), (2133, 299511), (6399, 99837), (11093, 57591), (19197, 33279)]