78176421

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{56773}}^1$

素因数の和:56802

約数の個数: 20

約数和(自身を含む): 123653772

約数和(自身を除く): 45477351

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 56773, 170319, 510957, 965141, 1532871, 2895423, 4598613, 8686269, 26058807, 78176421]

約数ペア:

[(1, 78176421), (3, 26058807), (9, 8686269), (17, 4598613), (27, 2895423), (51, 1532871), (81, 965141), (153, 510957), (459, 170319), (1377, 56773)]