78878691

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{57283}}^1$

素因数の和:57312

約数の個数: 20

約数和(自身を含む): 124764552

約数和(自身を除く): 45885861

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 57283, 171849, 515547, 973811, 1546641, 2921433, 4639923, 8764299, 26292897, 78878691]

約数ペア:

[(1, 78878691), (3, 26292897), (9, 8764299), (17, 4639923), (27, 2921433), (51, 1546641), (81, 973811), (153, 515547), (459, 171849), (1377, 57283)]