64566963

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{27487}}^1$

素因数の和:27528

約数の個数: 20

約数和(自身を含む): 99781440

約数和(自身を除く): 35214477

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 27487, 82461, 247383, 742149, 797123, 2226447, 2391369, 7174107, 21522321, 64566963]

約数ペア:

[(1, 64566963), (3, 21522321), (9, 7174107), (27, 2391369), (29, 2226447), (81, 797123), (87, 742149), (261, 247383), (783, 82461), (2349, 27487)]