78821451

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{67891}}^1$

素因数の和:67943

約数の個数: 16

約数和(自身を含む): 119489920

約数和(自身を除く): 40668469

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 67891, 203673, 611019, 1833057, 2919313, 8757939, 26273817, 78821451]

約数ペア:

[(1, 78821451), (3, 26273817), (9, 8757939), (27, 2919313), (43, 1833057), (129, 611019), (387, 203673), (1161, 67891)]