80220681

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{953}}^1$

素因数の和:1205

約数の個数: 24

約数和(自身を含む): 119059200

約数和(自身を除く): 38838519

約数列:

[1, 3, 9, 47, 141, 199, 423, 597, 953, 1791, 2859, 8577, 9353, 28059, 44791, 84177, 134373, 189647, 403119, 568941, 1706823, 8913409, 26740227, 80220681]

約数ペア:

[(1, 80220681), (3, 26740227), (9, 8913409), (47, 1706823), (141, 568941), (199, 403119), (423, 189647), (597, 134373), (953, 84177), (1791, 44791), (2859, 28059), (8577, 9353)]