78660963

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{33487}}^1$

素因数の和:33528

約数の個数: 20

約数和(自身を含む): 121561440

約数和(自身を除く): 42900477

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 33487, 100461, 301383, 904149, 971123, 2712447, 2913369, 8740107, 26220321, 78660963]

約数ペア:

[(1, 78660963), (3, 26220321), (9, 8740107), (27, 2913369), (29, 2712447), (81, 971123), (87, 904149), (261, 301383), (783, 100461), (2349, 33487)]